Nothing is more dangerous than solitude.

Life belongs to the living, and he who lives must be prepared for changes.

As all Nature's thousands changes But one changeless God proclaim; So in Art's wide kingdom ranges One sole meaning still the same: This is Truth, eternal Reason, Which from Beauty takes its dress, And serene through time and season Stands aye in loveliness.

Nature reacts not only to physical disease, but also to moral weakness; when the danger increases; she gives us greater courage

A man would create another man if one did not already exist, but a woman might live an eternity without even thinking of reproducing her own sex.

The mind is found most acute and most uneasy in the morning. Uneasiness is, indeed, a species of sagacity - a passive sagacity. Fools are never uneasy.

For a man to achieve all that is demanded of him he must regard himself as greater than he is.