Ridley highlights the ideas put forth by Lucretius, a thinker and poet of ancient Rome from the first century BCE, who drew inspiration from the Greek philosophers Epicurus and Democritus before him, and believed that the universe consisted simply of voids and particles rather than a variety of elements like spirits and humors. This viewpoint maintains that unbreakable atoms, invisible to the naked eye, make up all matter, staying whole and dispersed within voids. Every event can be attributed to natural occurrences, which comply with the principles that dictate atomic behavior, thereby eliminating the necessity for explanations that invoke the supernatural. Ridley's concept was remarkably prescient, foreshadowing our modern understanding of the scientific fields that investigate matter and its interactions. Ridley suggests that if the philosophy of Lucretius had not been eclipsed by the rise of Christianity, we might have reached an appreciation for the principles of Darwin earlier.
Ridley highlights how Lucretius dismissed notions of magic, mysticism, superstition, and myth, opting instead for a method based on observation and experience to comprehend the world. The idea suggests that the cosmos originated without the intervention of a supreme creator, indicating that the appearance and vanishing of entities are governed by chance, with nature persistently experimenting with various structures, and only the entities that can adjust to their environment and effectively propagate will endure. Ridley views Lucretius's contributions as a notable shift away from conventional hierarchical viewpoints, promoting the recognition of chance and intrinsic processes in shaping our surroundings, and concurrently acknowledging the constant change of structures composed of indestructible matter.
People frequently possess a tendency to seek out structure and intent in the cosmos, even where none exists. It is a common assumption that a higher power or a singular entity is directing events. The concept of "skyhook thinking" has often led us astray by causing us to look for purpose and conscious design in events that are, in truth, outcomes of evolutionary mechanisms. Throughout history, individuals have frequently miscredited the outcomes of conflicts to celestial interference, the formation of social structures to the edicts of monarchs, the conveyance of ethical values to religious leaders, and the realization of economic expansion to governmental policies. We often create stories about guidance, governance, or supernatural involvement to make sense of phenomena that are more accurately interpreted as emerging from grassroots developments.
Ridley argues that this viewpoint is mistakenly extended to our understanding of the natural world as well. The intricacy found in nature is frequently attributed to deliberate creation, but the idea that evolutionary changes stem from natural processes offers a stronger case. We often find it difficult to abandon the belief that a particular guiding entity is molding our genetic composition, psychological identity, or the basis of our ethical values. Numerous instances exist of intellectuals, including renowned figures like the scientist who formulated the laws of motion and universal gravitation, who dismantle unfounded assumptions in one area – such as clarifying the movements of planets without resorting to heavenly or mystical explanations – yet reestablish similar baseless conjectures in other areas – such as proposing that the inevitable decline into chaos of the solar system requires divine intervention to restore order at intervals. Ridley highlights the inclination to favor explanations that are centrally imposed, despite the stronger case for phenomena that arise from the collective actions of individuals. A theme that repeatedly emerges from the annals of intellectual progress.
The cosmos appears to be finely tuned to sustain life. The core idea is that even the slightest changes in the universe's physical parameters would render the world we recognize unfeasible. This viewpoint implies that the universe was intentionally designed to be an extraordinary domain that sustains human life. Ridley, however, contends that the reasoning behind the anthropic principle is flawed due to a confusion between cause and effect. Life has developed in a manner that adheres to the foundational principles of the cosmos. Life, as we understand it, depends on carbon because it can form stable bonds that can also be severed at temperatures typical of planets located at moderate distances from their stars. Life relies on liquid water due to its state of liquidity within this temperature range. Had the cosmos been otherwise, life might have materialized in a form entirely distinct, or it might never have arisen. He references David Waltham's view in "Lucky Planet," suggesting that our existence is the result of a chain of fortuitous events. The anthropic principle is unnecessary.
Ridley posits that the notion of the anthropic principle signifies a shift toward hierarchical thinking, yet a stronger case is made when one adopts a perspective that builds from the ground up. Asserting that the universe was deliberately designed to sustain life inverts the typical sequence of cause and effect. The universe's pre-existing conditions gave rise to life, not vice versa. Ridley draws on Douglas Adams's...
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Adam Smith, the philosopher from Scotland, recognized forces akin to those noted by Lucretius and Darwin. Ridley has also explored the origins of moral principles, a domain that surpasses Smith's analysis of economic ideas. Smith suggests that our pursuit of social approval and mutual understanding, rather than a divine command or deliberate choice, gives rise to morality. Individuals are motivated by their personal interests and their natural tendency to establish connections with others. In our interactions with others, we learn which behaviors are likely to earn their goodwill and lead to reciprocal acts of kindness through a method of observing the outcomes of our correct and incorrect actions. Our ethical norms emerge from continuous societal dialogues instead of being prescribed by religious authorities.
The idea of a theoretical unbiased witness, as described by Smith, evaluates the moral aspect of our behavior. Our internal compass steers us toward...
Ridley challenges the idea that technological progress is driven by sudden, revolutionary discoveries made by solitary innovators. He contends that innovation should be seen as an evolutionary concept, with new technologies arising from a series of subtle, step-by-step transformations that occur as current concepts are merged in novel ways. The simultaneous emergence of identical innovations by various individuals within the same timeframe clearly illustrates this principle. Historical events unfolded at a critical moment when numerous ideas were ripe for discovery. According to Ridley, the advent of the telephone would have experienced a minor delay instead of being an event exclusively linked to a particular moment and individual.
The example of the development of the incandescent light, frequently credited to Thomas Edison, demonstrates this concept effectively. Edison's success in commercializing the light bulb was achieved through a series of incremental improvements and contributions from numerous other...
The Evolution of Everything
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