大自然为所有活动都观察了合适的时间。
The past is a source of knowledge, and the future is a source of hope. Love of the past implies faith in the future.
文化不仅仅是游戏的一个方面,它就是游戏本身。
Sometimes, the hardest thing in life is to know which bridge to cross and which to burn.
物理学家必须对自然法则的简洁与美怀有一种信念。
We need to ensure that the Internet remains a platform for innovation and free expression.