I abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils
The painter has the Universe in his mind and hands.
The painter will produce pictures of little merit if he takes the works of others as his standard.
It is an acknowledged fact that we perceive errors in the work of others more readily than in our own.
As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.