What lead me more or less directly to the special theory of relativity was the conviction that the electromotive force acting on a body in motion in a magnetic field was nothing else but an electric field.
The thing is doing it, that's what it's all about. Not in the results of it. After all what is a risk? It's a risk not to take risks. Otherwise, you can go stale and repeat yourself. I don't feel like a person who takes risks. Yet there's something within me that must provoke controversy because I find it wherever I go. Anybody who cares about what he does takes risks.
One half of the pleasure experienced at a theatre arises from the spectator's sympathy with the rest of the audience, and, especially from his belief in their sympathy with him.
Stay close to those who are not afraid to be vulnerable, because they have confidence in themselves and know that, at some point in our lives, we all stumble; they do not interpret this as a sign of weakness, but of humanity.
Avoid those who talk a great deal before acting, those who never take a step without being quite sure that it will bring them respect.
A person who is good for anything ought not to calculate the chance of living or dying; he or she ought only to consider whether in doing anything he or she is doing right or wrong- acting the part of a good person or a bad person.
We must begin by acknowledging a hard truth. We will not eradicate violent conflict in our lifetimes. There will be times when nations, acting individually or in concert, will find the use of force not only necessary but morally justified.
The physical stamina [in Revolution]. I was just shocked by it. I didn't think I had it in me ever, and I wasn't terribly young when I did it. I was in my early forties. That was the first thing I was struck by, not by the acting, not by anything else, but by the physicality.