Travel and change of place impart new vigor to the mind.

Seneca

Only the educated are free.

Epictetus

Every possession and every happiness is but lent by chance for an uncertain time, and may therefore be demanded back the next hour.

Arthur Schopenhauer

Las sombras son tan importantes como la luz.

Charlotte Brontë

Aprender sin reflexionar es malgastar la energía.

Confucio

When wealth is lost, nothing is lost; when health is lost, something is lost; when character is lost, all is lost.

Billy Graham