Time, which alone makes the reputation of men, ends by making their defects respectable.

The more I read, the more I acquire, the more certain I am that I know nothing.

Once your faith persuades you to believe what your intelligence declares absurd, beware, lest you likewise sacrifice your reason in the conduct of your life.

There is an astonishing imagination, even in the science of mathematics. ... We repeat, there was far more imagination in the head of Archimedes than in that of Homer.

Excellently observed", answered Candide; "but let us cultivate our garden.

I envy animals for two things - their ignorance of evil to come, and their ignorance of what is said about them.

History should be written as philosophy.