"I think that the best work comes out of the necessity to do it, not the desire to do it."

人类整个历史上最大的悲剧可能是宗教对道德的劫持。

I think it's important to have a sense of humor about yourself.

If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weeds.

La historia no es mecánica porque los hombres son libres para transformarla.