Of the opinions of philosophy I most gladly embrace those that are most solid, that is to say, most human and most our own; my opinions, in conformity with my conduct, are low and humble.

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

There is a huge gulf between the man who follows the conventions and laws of his country and the man who sets out to regiment them and to change them.

When I play with my cat, who knows whether she is not amusing herself with me more than I with her.

The only thing certain is nothing is certain.

Meditation is a powerful and full study as can effectually taste and employ themselves.

What am I to choose? "Choose what you please, as long as you choose." There you have a foolish answer, which seems to be the outcome, however, of all Dogmatism, which will not allow us to be ignorant of that which we are ignorant.