“What other dungeon is so dark as one's own heart! What jailer so in exorable as one's self!”

“In the depths of every heart there is a tomb and a dungeon, though the lights, the music, and the revelry above may cause us to forget their existence...”

“The sick in mind, and, perhaps, in body, are rendered more darkly and hopelessly so by the manifold reflection of their disease, mirrored back from all quarters in the deportment of those about them; they are compelled to inhale the poison of their own breath, in infinite repetition.”

“I find nothing so singular to life as that everything appears to lose its substance the instant one actually grapples with it.”

“I have laughed, in bitterness and agony of heart, at the contrast between what I seem and what I am!”

“The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is, to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.”

“What's that you mutter to yourself, Matthew Maule?" asked Scicpio. "And what for do you look so black at me?""No matter, darky," said the carpenter. "Do you think nobody is to look black but yourself?”