All outward success, when it has value, is but the inevitable result of an inward success of full living, full play and enjoyment of one's faculties.
The picture that looks as if it were done without an effort may have been a perfect battlefield in its making.
A weak background is a deadly thing.
All real works of art look as though they were done in joy.
All is as beautiful as we think it.
To have ideas one must have imagination. To express ideas one must have science.