“Perplexity is the beginning of knowledge.”– Khalil Gibran Related Quotes “The one exclusive sign of thorough knowledge is the power of teaching.”– Aristotle “It is true that the aristocracies seem to have abused their monopoly of legal knowledge and at all events their exclusive possession of the law was a formidable impediment to the success of those popular movements which began to be universal in the western world.”– Henry James Sumner Maine “Is there anything science should not try to explain? Science is knowledge and knowledge is power – power to do good or evil. Sometimes ignorance is bliss.”– Paul Davies