My personal conviction is that science is concerned wholly with truth, not with ethics.
Our task, of course, is to transmute the anger that is affliction into the anger that is determination to bring about change. I think, in fact, that one could give that as a definition of revolution.
It really costs me a lot emotionally to watch myself on screen. I think of myself, and feel like I'm quite young, and then I look at this old man with the baggy chins and the tired eyes and the receding hairline and all that.