In the mind's eye, a fractal is a way of seeing infinity.

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

As soon as the printing press started flooding Europe with books, people were complaining that there were too many books and that it was going to change philosophy and the course of human thought in ways that wouldnt necessarily be good.

It is not true that people who accomplish things don't waste time and that people who waste time don't accomplish things. The very concept is ill-informed. You can't waste time and you can't save time; you can only choose what you do at any given moment.

One of the ways the telegraph changed us as humans was it gave us a new sense of what time it is. It gave us an understanding of simultaneity. It gave us the ability to synchronize clocks from one place to another. It made it possible for the world to have standard time and time zones and then Daylight Savings Time and then after that jetlag. All of that is due to the telegraph because, before that, the time was whatever it was wherever you were.

It sometimes seems as if curbing entropy is our quixotic purpose in this universe.

Intuition was not just visual but also auditory and kinesthetic. Those who watched Feynman in moments of intense concentration came away with a strong, even disturbing sense of the physicality of the process, as though his brain did not stop with the grey matter but extended through every muscle in his body.