It had long since come to my attention that people of accomp... - Leonardo da Vinci

"Make your work to be in keeping with your purpose"

"Study without desire spoils the memory, and it retains nothing that it takes in."

"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."

"A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light."

"Our life is made by the death of others."