Constantrepetition carries conviction.

The fire you kindle for your enemy often burns yourself more than him.

A half-truth won for ourselves is worth more than a whole truth learned from others.

The roots of education are bitter, but the fruit is sweet.

We own almostall our knowledge not to those who have agreed but to those who havediffered.

The Natural flights of Human mind are not from Pleasure to pleasure, but from hope to hope.

Ability is poor men's wealth

Don'tjudge a book by its cover.

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.

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...

Liberation is not deliverance.

Don'tconsider your reputation and you may do anything you like.