Every action done by nature is done in the shortest way.

To discover the soul living in somebody's body, we watch the surrounding of the body, and if it's messy and disordered, so is the soul.

I have solved what color is, however ; I still have no idea about what line is.

I love this site. It was lovingly hand-shaped it. Your soul transformed this into this art. It was perfect. I have tried to create another equal to it... but to no avail, so I will just have to paint the Sistine Chapel.

I think it is no small attraction in a painter to be able to give a pleasing air to his figures, and whoever is not naturally possessed of this grace may acquire it by study, as opportunity offers in the following manner: be on the watch to take good parts of many beautiful faces of which the beautiful parts are established by general repute rather than by your own judgement, for you may deceive yourself by selecting faces that resemble your own, since it often seems that such similarities please us; ... so therefore choose the beautiful ones as I tell you and fix them in your mind.

Abbreviators do harm to knowledge and to love.

The knowledge of all things is possible