The history of life is written in terms of negative entropy.

We say that time passes, time goes by, and time flows. Those are metaphors. We also think of time as a medium in which we exist.

The universe is computing its own destiny.

Every new medium transforms the nature of human thought. In the long run, history is the story of information becoming aware of itself.

Neither technology nor efficiency can acquire more time for you, because time is not a thing you have lost. It is not a thing you ever had.

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.

Ideas that require people to reorganize their picture of the world provoke hostility.