Despair is the conclusion of fools.

A nation will not count the sacrifice it makes, if it supposes it is engaged in a struggle for its fame, its influence and its existence.

There is no education like adversity.

Scientific, like spiritual truth, has ever from the beginning been descending from heaven to man.

It shows you exactly how a star is formed; nothing else can be so pretty! A cluster of vapor, the cream of the milky way, a sort of celestial cheese, churned into light.

The most dangerous strategy is to jump a chasm in two leaps.

A female friend, amiable, clever, and devoted, is a possession more valuable than parks and palaces; and without such a muse, few men can succeed in life, none be contented.