Be sure that you go to the author to get at his meaning, not to find yours."
"He thinks by infection, catching an opinion like a cold."
"He is the greatest artist who has embodied, in the sum of his works, the greatest number of the greatest ideas."
"The work of science is to substitute facts for appearances, and demonstration for impressions."
There is hardly anything in the world that some man cannot make a little worse and sell a little cheaper.