I am not afraid of an army of lions led by a sheep; I am afraid of an army of sheep led by a lion.
I am indebted to my father for living, but to my teacher for living well.
There is nothing impossible to him who will try.
Heaven cannot brook two suns, nor earth two masters.
A tomb now suffices him for whom the whole world was not sufficient.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion.
I am dying from the treatment of too many physicians.
How great are the dangers I face to win a good name in Athens.
Remember upon the conduct of each depends the fate of all.
If I were not Alexander, I would be Diogenes.