Reason is often a more powerful persuader than gold.
Life unexamined, is not worth living.
The wise man belongs to all countries, for the home of a great soul is the whole world.
To a wise and good man the whole earth is his fatherland.
Beautiful objects are wrought by study through effort, but ugly things are reaped automatically without toil.
To a wise man, the whole earth is open; for the native land of a good soul is the whole earth.