"I have tried lately to read Shakespeare, and found it so intolerably dull that it nauseated me."

"If I have seen further than others, it is by standing upon the shoulders of giants."

"We are like a judge who has to sum up and deliver judgment, not on the evidence of witnesses, but on the arguments of counsel."

"Man has risen to the very summit of the organic scale; and the fact of his having thus risen, instead of having been aboriginally placed there, is the best proof of his power of development."

"I have felt a considerable reluctance to express myself in this chapter on the subject of religion."