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