To teach isto learn twice.

A man who doesn't trust himself can never really trust anyoneelse.

By despising all that has preceded us, we teach others to despise ourselves.

I hope our wisdom will grow with our power, and teach us,that the less we use our power the greater it will be.

True,Heaven prohibits certain pleasures; but one can generally negotiate acompromise.

Childhood shows the man, as morning shows the day

The great despisers are the greater reverers.

A life makingmistakes is not only more honorable, but more useful than a life spent doingnothing at all.

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…

A child is not a vase to be filled, but a fire to be lit.

Education makes people easy to lead, but difficult to drive; Easy to govern, but impossible to enslave

In oneof our concert grand pianos, 243 taut strings exert a pull of 40,000 poundson an iron frame. It is proof that out of great tension may come greatharmony.