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Travel is a ceaseless fount of surface education, But its wisdom will be simply superficial, if thou add not thoughts to things.

Martin Farquhar Tupper (1851). “Tupper's Proverbial philosophy: a book of thoughts and arguments, originally treated : first and second series”, p.220
Travel is a ceaseless fount of surface education, But its wisdom will be simply superficial, if thou add not thoughts to things.