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.
【译文】 孔子说：“年轻人应该孝顺父母，尊敬师长，认真诚信，广施爱心，亲近仁人志士。能轻松做到这些，才可以从事理论研究。”
在科学的道路上，失败和成功同样重要，它们都是通向真理的阶梯。
压力是一种特权。
The past is never dead. It's not even past.
对付一个不自由的世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛行为。
"The power of film is to open our eyes to the unseen, to make us feel the unfelt."