Not until we dare to regard ourselves as a nation, not until we respect ourselves, can we gain the esteem of others, or rather only then will it come of its own accord

I do not believe that a moral philosophy can ever be founded on a scientific basis. … The valuation of life and all its nobler expressions can only come out of the soul’s yearning toward its own destiny. Every attempt to reduce ethics to scientific formulas must fail. Of that I am perfectly convinced.

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

It is impossible to get out of a problem by using the same kind of thinking that it took to get into it.

Economists and workplace consultants regard it as almost unquestioned dogma that people are motivated by rewards, so they don't feel the need to test this. It has the status more of religious truth than scientific hypothesis. The facts are absolutely clear. There is no question that in virtually all circumstances in which people are doing things in order to get rewards, extrinsic tangible rewards undermine intrinsic motivation.The bonus myth: How paying for results can backfire The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing.

There is only one road to human greatness: through the school of hard knocks.

Don't listen to the person who has the answers; listen to the person who has the questions.