He makes no friends who never made a foe.

- Alfred Lord Tennyson

A man may learn wisdom even from a foe.

- Aristophanes

The spirit's foe in man has not been simplicity, but sophistication.

- George Santayana

The deadliest foe of democracy is not autocracy but liberty frenzied.

- Otto Hermann Kahn

If you treat China like a foe, surely she will become one.

- Rob Lowe

Radical Islam has been the foe of Christendom for centuries.

- Tom Tancredo

It would be judicious to act with magnanimity towards a prostrate foe.

- Zachary Taylor