“There is a thought that stops thought. That is the only thought that ought to be stopped.”

“Of the last two friends of yours who had the modern mind; one thought it wrong to eat fishes and the other thought it right to eat men...”

“In all legends men have thought of women as sublime separately but horrible in a herd.”

“There are degrees of seriousness," replied Syme. "I have never doubted that you were perfectly sincere in this sense, that you thought what you said well worth saying, that you thought a paradox might wake men up to a neglected truth.”

“I would maintain that thanks are the highest form of thought; and that gratitude is happiness doubled by wonder.”

“In the glad old days, before the rise of modern morbidities...it used to be thought a disadvantage to be misunderstood.”

“He has a fancy for always sitting in a pitch-dark room. He says it makes his thoughts brighter.”