"Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return." ~ Leonardo Da Vinci
After forty years, a man is responsible for his face.
Just as iron rusts from disuse, even so does in action spoil the intellect.
There can be no greater or lesser mastery than over oneself.
I have offended God and mankind because my work did not reach the quality it should have.
The poet ranks far below the painter in the representation of visible things, and far below the musician in that of invisible things.
Where the spirit does not work with the hand there is no art.
He turns not back who is bound to a star.
While I thought I was learning how to live, I have been learning how to die.
Vows begin when hope dies.
Painting is born of nature.
All our knowledge has its origins in perceptions.
Patience serves as a protection against wrongs as clothes do against cold. For if you put on more clothes as the cold increases, it will have no power to hurt you.
Men of lofty genius when they are doing the least work are most active.
The tendency of every heavy body is to make its center the center of the earth.