Be kind, for everyone you meet is fighting a hard battle.

My advice to you is get married: if you find a good wife you’ll be happy; if not, you’ll become a philosopher.

Mankind is made of two kinds of people: wise people who know they're fools, and fools who think they are wise.

Do not trouble about those who practice philosophy, whether they are good or bad; but examine the thing itself well and carefully. And if philosophy appears a bad thing to you, turn every man from it, not only your sons; but if it appears to you such as I think it to be, take courage, pursue it, and practice it, as the saying is, 'both you and your house.

I cannot teach anybody anything. I can only make them think

Philosophy begins with wonder