Habit is stronger than reason.

Nothing is inherently and invincibly young except spirit. And spirit can enter a human being perhaps better in the quiet of old age and dwell there more undisturbed than in the turmoil of adventure.

For gold is tried in the fire and acceptable men in the furnace of adversity.

Almost every wise saying has an opposite one, no less wise, to balance it.

If all art aspires to the condition of music, all the sciences aspire to the condition of mathematics.

To call war the soil of courage and virtue is like calling debauchery the soil of love.

Manhood and sagacity ripen of themselves; it suffices not to repress or distort them.