You can not do a kindness too soon, for you never know how soon it will be too late.

The singlemost powerful tool for winning a negotiation is the ability to get up andwalk away from the table without a deal.

It's better to let someone think you are an Idiot than to open your mouth and prove it.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

He is poor indeed that can promise nothing.

The compromisewill always be more expensive than either of the suggestions it iscompromising.

Teaching may contribute to certain kinds of learning under certain circumstances.

If you are standing upright, don't worry if your shadow is crooked.

I have learned through bitter experience the one supremelesson to conserve my anger, and as heat conserved is transmitted into energy,even so our anger controlled can be transmitted into a power that can movethe world.

Slander cannot destroy an honest man: when the flood recedes the rock is there.

All that is sometimes needed to make you content with you lot is a bad dream.

Another form of wastefulness is expenditure of words beyond the income of ideas.