The light and heat of the universe comes from the sun, and its cold and darkness from the withdrawal of the sun.

When you look at a wall spotted with stains...you may discover a resemblance to various landscapes, beautiful with mountains, rivers, rocks, trees. Or again, you may see battles and figures in action, or strange faces and costumes, and an endless variety of objects which you could reduce to complete and well-drawn figures.

Wherever good fortune enters, envy lays siege to the place and attacks it; and when it departs, sorrow and repentance remain behind.

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

The painter has the Universe in his mind and hands.

If you are alone you belong entirely to yourself. If you are accompanied by even one companion you belong only half to yourself or even less in proportion to the thoughtlessness of his conduct and if you have more than one companion you will fall more deeply into the same plight.

In the days of thy youth seek to obtain that which shall compensate the losses of thy old age.