There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

I aim here only at revealing myself, who will perhaps be different tomorrow, if I learn something new which changes me.

In the examples that I here bring in of what I have [read], heard, done or said, I have refrained from daring to alter even the smallest and most indifferent circumstances. My conscience falsifies not an iota; for my knowledge I cannot answer.

There is no virtue which does not rejoice a well-descended nature; there is a kind of I know not what congratulation in well-doing, that gives us an inward satisfaction, and a certain generous boldness that accompanies a good conscience.

We every day and every hour say things of another that we might more properly say of ourselves, could we but apply our observations to our own concerns.

In truth, knowledge is a great and very useful quality; those who despise it give evidence enough of their stupidity. Yet I do not set its value at that extreme measure that some attribute to it.

Que sçais-je?" (What do I know?)