“When sorrows come, they come not single spies, but in battalions.”

“Love is composed of a single soul inhabiting two bodies.”

“Never let your schooling interfere with your education.”

“Science is properly more scrupulous than dogma. Dogma gives a charter to mistake, but the very breath of science is a contest with mistake, and must keep the conscience alive.”

“Sometimes you just gotta pet the whales.”

“In the middle of difficulty lies opportunity.”