The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.
Leonardo da VinciTo be a winner you must want to win but must know of the chance of losing and must not fear of it.
Leonardo da VinciA painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.
Leonardo da Vinci