Now, I'm getting a little older, got more responsibility, I don't need to be depressed.
“And having a strong family, you know we've lost some members of our family and had some setbacks, but I think a good family and kids all those things I thought at one time... you got to be kidding me... Those things are so important they enable you to go on.”
“It would be wrong to assume that one must stay with a research programme until it has exhausted all its heuristic power, that one must not introduce a rival programme before everybody agrees that the point of degeneration has probably been reached.”