没有人能在相当长的一段时间内，对自己戴一副面具，对众人戴另一副面具，而最终不困惑于哪一副才是真实的。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
天文学的美在于它能够将我们与浩瀚的宇宙连接起来。
The city is the collective memory of its people, and like memory it is associated with objects and places.
物理学的美丽在于它能够揭示宇宙表面复杂性之下的深刻简单性。
And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'
The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.
The only way to predict the future is to have power to shape it.