Children and scientists share an outlook on life. If I do this, what will happen? is both the motto of the child at play and the defining refrain of the physical scientist. ... The unfamiliar and the strange - these are the domain of all children and scientists.

It is not the amount of knowledge that makes a brain. It is not even the distribution of knowledge. It is the interconnectedness.

He believed in the primacy of doubt, not as a blemish upon our ability to know, but as the essence of knowing.

You can't waste time and you can't save time; you can only choose what you do at any given moment.

At its most fundamental, information is a binary choice. In other words, a single bit of information is one yes-or-no choice.

Information is not knowledge and knowledge is not wisdom.

When information is cheap, attention becomes expensive.