"Only then, approaching my fortieth birthday, I made philosophy my life's work."

"Even scientific knowledge, if there is anything to it, is not a random observation of random objects for the critical objectivity of significant knowledge is attained as a practice only philosophically in inner action."

"I began the study of medicine, impelled by a desire for knowledge of facts and of man. The resolution to do disciplined work tied me to both laboratory and clinic for a long time to come."

"The history of philosophy is not, like the history of the sciences, to be studied with the intellect alone. That which is receptive in us and that which impinges upon us from history is the reality of man's being, unfolding itself in thought."

"You have to get the audience invested even if you're doing something that they think is dumb, it's kind of what these movies are all about."

"I think we can allow the therapeutic uses of nuclear transplant technology, which we call cloning, without running the danger of actually having live human beings born."

"Contrariwise, if it was so, it might be; and if it were so, it would be; but as it isn't, it ain't. That's logic."

"Shop often, shop hard, and spend for the best stuff available - logic dictates that you can make delicious food only with delicious ingredients."