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

Between friends there is no need of Justice.

Without trust, words become the hollow sound of a woodengong. With trust, words become life itself.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

We ownalmost all our knowledge not to those who have agreed but to those who havediffered.

It is in our idleness, in our dreams, that submerged truth sometimes comes to top.

I am atpeace with God. My conflict is with man.

Thereis no squabbling so violent as that between peoplewho accepted an idea yesterday and those who will accept the same ideatomorrow.

Our distrust is very expensive.

Power does not corrupt men; fools, however, if they getinto a position of power, corrupt power.

Thewill to win is worthless if you do not have the will to prepare.
Beforeyou build a better mousetrap, make sure you have some mice out there.

Conflictis the gadfly of thought. It stirs us to observation and memory. Itinstigates to invention. It shocks us out of sheeplikepassivity, and sets us at noting and contriving.