Who knows if to live is to be dead, and to be dead, to live? And we really, it may be, are dead; in fact I once heard sages say that we are now dead, and the body is our tomb.

There is no possession more valuable than a good and faithful friend.

Knowledge is our ultimate good.

One cannot come closer to the gods than by bringing health to his Fellow Man.

There is a doctrine whispered in secret that a man is a prisoner who has no right to open the door and run away; this is a great mystery which I do not quite understand.

I am very conscious that I am not wise at all.

To know, is to know that you know nothing.