A feeble body weakens the mind.

Some suggestions for you :

Our affections as well as our bodies are in perpetual flux.

Reading, solitude, idleness, a soft and sedentary life, intercourse with women and young people, these are perilous paths for a young man, and these lead him constantly into danger.

Every man has a right to risk his own life for the preservation of it.

The world of reality has its limits; the world of imagination is boundless.

The English are predisposed to pride, the French to vanity.

Gratitude is a duty which ought to be paid, but which none have a right to expect.

Fame is but the breath of people, and that often unwholesome.

The English think they are free. They are free only during the election of members of parliament.

We should not teach children the sciences; but give them a taste for them.

Virtue is a state of war, and to live in it we have always to combat with ourselves.

People who know little are usually great talkers, while men who know much say little.

To endure is the first thing that a child ought to learn, and that which he will have the most need to know.

Never exceed your rights, and they will soon become unlimited.

You forget that the fruits belong to all and that the land belongs to no one.