What are some quotes about expanding your horizons?

Answer 1

Without a knowledge of languages you feel as if you don't have a passport.

~ Anton Pavlovich Chekhov

Unless you try to do something beyond what you have already mastered, you will never grow.

~ Ronald E. Osborn

You live and learn. Or you don't live long.

~ Robert A. Heinlein

Answer 2

1. "The world is a book, and those who do not travel read only a page." - Saint Augustine
2. "Don't be afraid to go out on a limb. That's where the fruit is." - H. Jackson Browne
3. "Life is an adventure, dare it." - Mother Teresa