"The human mind is seldom satisfied, and is certainly never exercising its highest functions, when it is doing the work of a calculating machine."

"Science is incompetent to reason upon the creation of matter itself out of nothing. We have reached the utmost limit of our thinking faculties when we have admitted that because matter cannot be etern…"

"I have been thinking about the nature of things, and I have come to the conclusion that there is a good deal of it."

"The true logic of this world is in the calculus of probabilities."

"The molecules of a gas are like angry bees in a jar, but far more mathematical."