No two people see the world exactly alike, and different temperaments will often apply the same principle, recognized by both, differently. Even one and the same person won't always maintain the same views and judgments: earlier convictions must give way to later ones.

The credit of advancing science has always been due to individuals and never to the age.

First and last, what is demanded of genius is love of truth.

A flippant, frivolous man may ridicule others, may controvert them, scorn them; but he who has any respect for himself seems to have renounced the right of thinking meanly of others.

Piety, like nobility, has its aristocracy.

Nature! We are enveloped and embraced by her, incapable of emerging from her and incapable of entering her more deeply. Unbidden and unwarned, she receives us into the circuits of her dance, drifting onward with us herself, until we grow tired and drop from her arms.

It is one of Heaven's best gifts to hold such a dear creature in one's arms.