“I'm not afraid of storms, for I'm learning how to sail my ship.”

“If I went to work in a factory the first thing I'd do is join a union.”

“Thinking is the hardest work there is, which is probably the reason why so few engage in it.”

“Study the past, if you would divine the future.”

“I didn't have time to write a short letter, so I wrote a long one instead.”

“Nature has planted in our minds an insatiable longing to see the truth.”