Erikloh

“Everyone knows what attention is. It is taking possession of the mind, in clear and vivid form, of one out of what seems several simultaneously possible objects or trains of thought. Focalization, concentration of consciousness are of its essence. It implies a withdrawal from some things in order to deal effectively with others.”
― William James

“I always pass on good advice. It is the only thing to do with it. It is never of any use to oneself.”
― Oscar Wilde, An Ideal Husband

“To light a candle is to cast a shadow...”
― Ursula K. Le Guin, A Wizard of Earthsea

“Everyone sees what you appear to be, few experience what you really are.”
― Niccolò Machiavelli, The Prince