"Rough work, iconoclasm, but the only way to get at truth."

"The main part of intellectual education is not the acquisition of facts but learning how to make facts live."

"The advice of the elders to young men is very apt to be as unreal as a list of the hundred best books."

"If there is any principle of the Constitution that more imperatively calls for attachment than any other it is the principle of free thought, not free thought for those who agree with us but freedom for the thought that we hate."

"Do not hurry what nature takes seasons to unfold. For where clarity resides, peace inevitably follows."

"Man was nature's mistake she neglected to finish him and she has never ceased paying for her mistake."

"Whatever is received is received according to the nature of the recipient."

"Bravery is born the moment you decide your values outweigh your comforts. Such is the immutable nature of understanding — an essential principle for the reflective life."