There are three classes of people: those who see, those who see when they are shown, those who do not see.
As a well-spent day brings happy sleep, so a life well spent brings happy death.
A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.
I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. ‘Tis the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Man and animals are in reality vehicles and conduits of food, tombs of animals, hostels of Death, coverings that consume, deriving life by the death of others.