Quote by Denis Diderot: “Skepticism is the first step toward truth.”

You cannot genuinely seek truth while you're busy protecting your existing beliefs. Doubt is not weakness — it is the essential first move toward honest inquiry. Diderot places skepticism not at the end of thinking but at the beginning, as the door through which real knowledge enters.

Diderot edited the Encyclopédie from 1751 to 1772 under constant threat from royal censors and the Church, who correctly saw it as a vehicle for Enlightenment challenges to traditional authority. The project mobilized hundreds of writers and scientists to produce 35 volumes that collectively argued for reason over revelation as the basis of knowledge.

French philosopher and writer born in 1713, the chief editor of the Encyclopédie, one of the most ambitious intellectual projects of the Enlightenment. The Encyclopédie sought to gather and disseminate all human knowledge in one place and to challenge religious and political orthodoxy through reason. He was imprisoned for his writings attacking religion.