The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
Nothing is certain, and nothing is impossible.
道德既束缚又蒙蔽。它将我们束缚在意识形态团队中,彼此争斗,仿佛世界的命运取决于我们一方赢得每一场战斗。它使我们看不到每个团队都是由有重要意见的好人组成的事实。