The only thing that is constant is change.

Religion is a disease, but it is a noble disease.

And some men are as ignorant of what they do when awake as they are forgetful of what they do when asleep.

Though wisdom is common, yet the many live as if they had a wisdom of their own.

What we have caught and what we have killed we have left behind, but what has escaped us we bring with us.

No man ever steps in the same river twice, for it's not the same river and he's not the same man.

The gods are immortal men, and men are mortal gods.