“but there is no need to know danger in order to fear it: indeed, it may be observed, that it is usually unknown perils that inspire the greatest terror.”

“...the overflow of my brain would probably, in a state of freedom, have evaporated in a thousand follies; it needs trouble and difficulty and danger to hollow out various mysterious and hidden mines of human intelligence. Pressure is required, you know, to ignite powder: captivity has collected into one single focus all the floating faculties of my mind; they have come into close contact in the narrow space in which they have been wedged. You know that from the collision of clouds electricity is produced and from electricity comes the lightning from whose flash we have light amid our greatest darkness.”

“I do not often laugh, sir,” answered the unknown. “As you may yourself discover by the expression of my continence. But yet I mean to preserve the right of laughing when I please.”

“It is feared that it may be the smallpox, sir," replied Porthos... "and what is serious is that it will certainly spoil his face.”

“It's necessary to have wished for death in order to know how good it is to live.”

“...does that not tell you that grief is like life and that there is always somethings unknown beyond it?”

“True love always makes a man better, no matter what woman inspires it.”