过去是一个装满光的橱柜，你只需找到开门的钥匙。
The past is a cupboard full of light and all you have to do is find the key that opens the door.
We have to own our mistakes and learn from them.
在科学领域，我们必须准备好接受我们最珍视的理论有一天可能会被取代。
衡量生命的尺度是思想和行为，而不是时间。