Alwaysforgive your enemies. Nothing annoys them so much.

Thefirst principle of contract negotiation is don'tremind them of what you did in the past; tell them what you're going to do inthe future.

No onecan persuade another to change. Each of us guards a gate of change that canonly be opened from the inside. We cannot open the gate of another, either byargument or emotional appeal.

By tryingoften, the monkey learns to jump from the tree.

Every man has enough power left to carry out that of whichhe is convinced.

In lifeprepare for the hard and all you will encounter will be the required or easy.

The tormentof human frustration, whatever its immediate cause, is the knowledge that theself is in prison, its vital force and ‘mangled mind’ leaking away in lonely,wasteful self-conflict.

Peoplewho are too concerned with how well they are doing will be less successfuland feel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation,or between extrinsic and intrinsic motivation…

Aclosed mind is like a closed book; just a block of wood.

Washing one's hands of the conflict between the powerfuland the powerless means to side with the powerful, not to be neutral.

I have oftenregretted my speech, never my silence.

Inspiration is apt to come only while one is working, waited for, it usually keeps waiting.