“ It is better to ask some of the questions than to know all the answers. 问一些问题总比知道所有的答案要好。 James Thurber 詹姆斯·瑟伯
“ A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes. 事实本身并不重要。它的价值只在于它所附带的思想,或它所提供的证明。 Claude Bernard 克劳德·伯纳德