Man is born free, but he is not in chains.
人是生而自由的，但却无往不在枷锁之中。
What we learn from history is that people don't learn from history.
Life is too short to waste time on things that don’t matter.
"الذاكرة مثل البحر، ترمي على الشاطئ ما تريد إخفاءه في الأعماق."
"The world is a book, and those who do not travel read only one page."
激励措施的微小变化可以导致行为的巨大变化。