Egotism is the tongue of vanity.

A man is not necessarily intelligent because he has plenty of ideas, any more than he is a good general because he has plenty of soldiers.

Public opinion is the worst of all opinions.

Were a man to consult only his reason, who would marry? For myself, I wouldn't marry, for fear of having a son who resembled me.

All that I've learned, I've forgotten. The little that I still know, I've guessed.

The contact of two epidermises.

A modicum of discord is the very spice of courtship.