Originality is independence, not rebellion; it is sincerity, not antagonism.
Personal experience is the basis of all real Literature.
Sincerity is moral truth.
Science is the systematic classification of experience.
Imagination is not the exclusive appanage of artists, but belongs in varying degrees to all men.
Genius is rarely able to give any account of its own processes.
This quote suggests that exceptional creativity and intelligence, often referred to as genius, are rarely explainable or understandable in terms of their internal workings. It implies that genius operates in mysterious and inexplicable ways.
Insight is the first condition of Art.
Philosophy and Art both render the invisible visible by imagination.
The only cure for grief is action.
Insincerity is always weakness; sincerity even in error is strength.