Meaning: This quote by Denis Diderot, a prominent figure of the Enlightenment period, is a thought-provoking reflection on the different ways in which individuals approach the concept of truth or knowledge throughout their lives. The imagery of an infant, an adult, and an old man symbolizes the stages of human development and the varying attitudes toward seeking truth. Diderot's profound observation captures the essence of human curiosity, skepticism, and acceptance as they evolve over time.

The first part of the quote, "The infant runs toward it with its eyes closed," suggests the innocence and uninhibited curiosity of a child. Children are naturally curious and open to the world around them, often approaching new experiences and knowledge with a sense of wonder and excitement. The metaphorical "eyes closed" may signify the lack of preconceived notions or biases, allowing the infant to eagerly embrace new truths without hesitation or skepticism.

In contrast, "the adult is stationary" signifies a period of stability and perhaps complacency in one's beliefs. As people transition into adulthood, they may become more set in their ways and less open to new ideas. This phase of life is often characterized by a sense of contentment with the knowledge and truths already acquired, leading to a more stationary, less exploratory approach to seeking new knowledge.

Lastly, "the old man approaches it with his back turned" portrays the idea of wisdom and reflection that comes with age. The image of an old man approaching truth with his back turned may symbolize a more reflective and contemplative approach to seeking knowledge. This suggests that with age and experience, individuals may become more cautious or skeptical of new truths, perhaps approaching them with a sense of caution or reservation.

Diderot's quote encapsulates the cyclical nature of human understanding, from the uninhibited curiosity of youth to the complacency of adulthood and the reflective wisdom of old age. It highlights the complex and evolving relationship that individuals have with truth and knowledge as they progress through different stages of life.

This quote also resonates with Diderot's own philosophical and intellectual pursuits during the Enlightenment, a period characterized by a fervent pursuit of knowledge and a questioning of traditional beliefs. Diderot, as an editor, writer, and philosopher, was known for his critical thinking and challenging of established norms, making this quote a reflection of his own intellectual journey and the broader spirit of the Enlightenment.

In conclusion, Denis Diderot's quote provides a profound insight into the evolving attitudes toward truth and knowledge at different stages of life. It prompts us to consider the ways in which our own perspectives may shift and develop as we grow and experience the world around us. The quote serves as a timeless reminder of the dynamic and multifaceted nature of human understanding, inviting contemplation and introspection on our own relationship with truth and knowledge.