"Make no man your friend before inquiring how he has used his former friends; for you must expect him to treat you as he has treated them. Be slow to give your friendship, but when you have given it, strive to make it lasting; for it is as reprehensible to make many changes in one's associates as to have no friends at all. Neither test your friends to your own injury nor be willing to forego a test of your companions."

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There is a drowsy state, between sleeping and waking, when you dream more in five minutes with your eyes half open, and yourself half conscious of everything that is passing around you, than you would in five nights with your eyes fast closed, and your senses wrapt in perfect unconsciousness. At such time, a mortal knows just enough of what his mind is doing, to form some glimmering conception of its mighty powers, its bounding from earth and spurning time and space, when freed from the restraint of its corporeal associate.

— Charles Dickens