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.

The relativity principle in connection with the basic Maxwellian equations demands that the mass should be a direct measure of the energy contained in a body; light transfers mass. With radium there should be a noticeable diminution of mass. The idea is amusing and enticing; but whether the Almighty is laughing at it and is leading me up the garden path -- that I cannot know.

In the view of such harmony in the cosmos which I, with my limited human mind, am able to recognize, there are yet people who says there is no God. But what makes me really angry is that they quote me for support of such views. (The Expanded Quotable Einstein, Princeton University, page 214)

Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature.

The distinction between the past, present and future is only a stubbornly persistent illusion.

The next world war will be fought with stones.

I prefer an attitude of humility corresponding to the weakness of our intellectual understanding of nature and of our own being.