Experience keeps a dear school, but tools will learn in no other.

It isgreed to do all the talking but not to want to listen at all.

Untrained intelligence is as much of use as a bottle without an opener.

There is no knowledge that is not power.

God made time, but man made haste.

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

The principle of equal protection is a positive concept implying equality of treatment in equal circumstances.

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...

No country without an atom bomb could properly consider itself independet.

Silenceis argument carried out by other means.

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

The man who says he's too old to learn new tricks probably always was.