"And the kittykats would have to erect scaffolding and a pulley to get him down. Mind you, I wouldn't put that past them. Sometimes when they are behind the sofa supposedly purring, I think they are drilling."

"In the beginning, science is a thing imagined; in the beginning, war is a thing imagined; in the beginning, love is a thing imagined; in the beginning, even God is a thing imagined. There is nothing that has not first been imagined. Even before there are words, there is imagination."

"The matter is as it is in all other cases: if it is naturally in you to be a good orator, a notable orator you will be when you have acquired knowledge and practice ..."

"The institution that had the greatest effect on Berenson's education was the Boston public library, the first in the country that allowed people to take books home to read them."

"When asked 'What do we need to learn this for?' any high-school teacher can confidently answer that, regardless of the subject, the knowledge will come in handy once the student hits middle age and starts working crossword puzzles in order to stave off the terrible loneliness."

"Science is thus a paradigm for how we ought to gain knowledge—not the particular methods or institutions of science but its value system, namely to seek to explain the world, to evaluate candidate explanations objectively, and to be cognizant of the tentativeness and uncertainty of our understanding at any time."