物理学家是一位探险家，他不满足于停留在已知世界的边界内。

If you lose or forget to bring a cable，adapter or charger，check with your hotel. Most hotels now have a drawer full of cables，adapters and chargers others have left behind，and probably have the one you are missing. You can often claim it after borrowing it.

数字是形式和思想的统治者。

元素是自然的字母表，而我们正在学习阅读。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

政府、科学家和渔业之间的合作对于打击非法捕捞至关重要。