The laws of life are founded on necessity, its charms on the non-essentials.

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

A man is but a product of his thoughts; what he thinks, that he becomes

Boredom is a vital problem for the moralist, since atleast half the sins of mankind are caused by the fear of it.

The wise man reads both books and life itself.

Mediocrity knows nothing higher than itself, but talent instantly recognises genius.

Ignoring is not the same thing as being tolerant

Every new adjustment is a crisis in self-esteem.

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...

To sit alone in the lamp light with a book spread out before you-such is a pleasure beyond compare.

He who asks a question is a fool for five minutes; he who does not ask a questionremains a fool forever.

Neverforget the power of silence, that massively disconcerting pause which goes onand on and may at last induce an opponent to babble and backtrack nervously.