I love man as my fellow; but his scepter, real, or usurped, extends not to me, unless the reason of an individual demands my homage.

The fundamental 'formula' of Gestalt theory might be expressed in this way: There are wholes, the behavior of which is not determined by that of their individual elements, but where the part-processes are themselves determined by the intrinsic nature of the whole.

I think we have a unique culture at Amazon that encourages both risk-taking and long-term thinking.

If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.