It is in man's heart that the life of nature's spectacle exists; to see it, one must feel it.

I don't know what is truth,but I can tell you how to find it!

But remain the teacher of the young teachers. Advise and direct us, and we will be ready to learn. I will have need of you as long as I live.

The most absolute authority is that which penetrates into a man's innermost being and concerns itself no less with his will than with his actions.

Temperance and labor are the two best physicians of man; labor sharpens the appetite, and temperance prevents from indulging to excess

All of my misfortunes come from having thought too well of my fellows.

Men, in general, are not this or that, they are what they are made to be.