Most happy is he who is entirely self-reliant, and who centers all his requirements in himself alone.
It is not enough to acquire wisdom, it is necessary to employ it.
The cultivation of the mind is a kind of food supplied for the soul of man.
Strain every nerve to gain your point.
Any man is liable to err, only a fool persists in error.
There are two ways to resolve conflicts, through violence or through negotiation. Violence is for wild beasts, negotiation is for human beings.