Science is the systematic classification of experience.
The only cure for grief is action.
Philosophy and Art both render the invisible visible by imagination.
Books minister to our knowledge, to our guidance, and to our delight, by their truth, their uprightness, and their art.
The delusions of self-love cannot be prevented, but intellectual misconceptions as to the means of achieving success may be corrected.
Many a genius has been slow of growth. Oaks that flourish for a thousand years do not spring up into beauty like a reed.
Imagination is not the exclusive appanage of artists, but belongs in varying degrees to all men.
Insincerity is always weakness sincerity even in error is strength.
Science is not addressed to poets.