Take these," said the old man, holding out a white stone and a black stone that had been embedded at the center of the breastplate. "They are called Urim and Thummim. The black signifies 'yes,' and the white 'no.' When you are unable to read the omens, they will help you to do so. Always ask an objective question.
Paulo CoelhoEveryone's looking for the perfect teacher, but although their teachings might be divine, teachers are all too human, and that's something people find hard to accept. Don't confuse the teacher with the lesson, the ritual with the ecstasy, the transmitter of the symbol with the symbol itself.
Paulo Coelho