"The value of a conundrum is in exact proportion to the extent of its demerit, and that it is only positively good when it is outrageously and scandalously absurd."

"I have no faith in human perfectibility. I think that human integrity has been ruined by the fall, and that I am a member of the ruined species."

"In one case out of a hundred a point is excessively discussed because it is obscure; in the ninety-nine remaining it is obscure because it is excessively discussed."

"Those who dream by day are cognizant of many things which escape those who dream only by night."

"It is impossible to say how first the idea entered my brain; but once conceived, it haunted me day and night."