Where the spirit does not work with the hand, there is no art.
Of the original phenomena, light is the most enthralling.
Strive to preserve your health; and in this you will better succeed in proportion as you keep clear of the physicians, for their drugs are a kind of alchemy concerning which there are no fewer books than there are medicines.
Every man at three years old is half his height
It is easier to contend with evil at the first than at the last.
Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen.