清晰的使命为每一个行动提供方向和目的。
A clear mission gives direction and purpose to every action.
Every day is a new opportunity to change your life.
I don't think you should ever have to apologize for your excitement.
过去是一条河流，我们都被它的水流带走。
每一次科学发现都是对自然界的一次新的对话，它让我们更接近宇宙的奥秘。