Out of the clutter find Simplicity

In the beginning (if there was such a thing), God created Newton's laws of motion together with the necessary masses and forces. This is all; everything beyond this follows from the development of appropriate mathematical methods by means of deduction.

The ideals which have always shone before me and filled me with the joy of living are goodness, beauty, and truth.

How insidious Nature is when one is trying to get at it experimentally.

I don't teach my students, I provide the circumstances in which they can learn.

I think we have to safeguard ourselves against people who are a menace to others, quite apart from what may have motivated their deeds.

When you sit with a nice girl for two hours, it seems like two minutes; when you sit on a hot stove for two minutes, it seems like two hours. That's relativity.