We believe what we want to believe, what we like to believe, what suits our prejudices and fuels our passions.

Nobody can be so amusingly arrogant as a young man who has just discovered an old idea and thinks it is his own.

What is much harder to handle is the sense that you have to live up to the mark someone else has set for you. The grades become too important, the competition too frantic, the fear of disappointing those who believe in you turns into an overwhelming nightmare.

A winner rebukes and forgives; a loser is too timid to rebuke and too petty to forgive.

The deepest and rarest kind of courage has nothing to do with feats or obstacles in the outside world; and, indeed, has nothing to do with the outside world - it is the courage to be who you are.

Maturity begins when we're content to feel we're right about something without feeling the necessity to prove someone else wrong.

The three hardest tasks in the world are neither physical feats nor intellectual achievements, but moral acts: to return love for hate, to include the excluded, and to say, 'I was wrong'.