"The proof that you know something is..." - Quote by Aristotle
The proof that you know something is that you are able to teach it
More by Aristotle
“Metaphysics involves intuitive knowledge of unprovable starting-points concepts and truth and demonstrative knowledge of what follows from them.”
“Greatness of spirit is to bear finely both good fourtune and bad, honor and disgrace, and not to think highly of luxury or attention or power or victories in contests, and to possess a certain depth and magnitude of spirit.”
“Meanness is incurable; it cannot be cured by old age, or by anything else.”
More on Knowledge
“At the Egyptian city of Naucratis there was a famous old god whose name was Theuth; the bird which is called the Ibis was sacred to him, and he was the inventor of many arts, such as arithmetic and calculation and geometry and astronomy and draughts and dice, but his great discovery was the use of letters.”
“Every man is ignorant - just on different subjects.”
“I know how the birds fly, how the fishes swim, how animals run. But there is the Dragon. I cannot tell how it mounts on the winds through the clouds and flies through heaven. Today I have seen the Dragon.”
More on Teaching
“I am teaching you now about it, but how many of you will practice it?”
“Whoever would be a teacher of men let him begin by teaching himself before teaching others; and let him teach by example before teaching by word. For he who teaches himself and rectifies his own ways is more deserving of respect and reverence than he who would teach others and rectify their ways.”
“A teacher or teaching is not essential for spiritual awakening, but they save time.”