"The purpose of art is expression. Of course this short sentence raises many questions. By itself it is uninformative. One should specify what art can and cannot express. One should specify what art should and should not express. These questions cannot be answered without having some notion of the nature of man. Here it is presupposed that God created man as essentially a rational being. This implies that man’s most valuable expressions are rational and intellectual. Therefore, although man can express emotion, by screaming “Ouch,” art becomes more human and valuable in proportion to its intellectual content. This does not deny that excellent technique may express triviality, evil, and insanity. It asserts, however, that what should be expressed is rational and intelligent."

"My serve used to be a weakness and I don't think it's a weakness anymore. I'm trying to come a lot more to the net and trying to be more offensive — not in terms of hitting the ball harder, which I th…"

"Some consider that when I play I am excessively cautious, but it seems to me that the question may be a different one. I try to avoid chance. Those who rely on chance should play cards or roulette. Ch…"

"I kind of had a disaster, I was doing a show, and I changed there, and I couldn’t wear underwear — I don’t think I can tell this story on TV … Let’s just say everyone went scrambling for a razor, so I…"

"We're confronted all the time with evolving viruses and bacteria. The Red Queen really rules the biological world, and we have to keep running just to keep up pace with the changing microorganisms. Ye…"