Every book is a door to another world.
La liberté, c'est le droit de faire tout ce que les lois permettent.
【释义】：言论应有明确的主旨，行动应遵循一定的方法，亲近他人一定要有恰当的方式。
Your most unhappy customers are your greatest source of learning.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
Don’t stop when you’re tired. Stop when you’re done.