There are two levers for moving men, interest and fear.

Men take only their needs into consideration - never their abilities.

Beware of driving men to desperation. Even a cornered rat is dangerous.

It is hard for anyone who is dissatisfied not to blame some one else, and especially the person nearest of all to him, for the ground of his dissatisfaction.

Of all the animals, man is the only one that lies.

The inability to forget is far more devastating than the inability to remember.