价格会被遗忘，但品质会被长久铭记。

All I desired was to walk upon such an earth that had no maps.

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。

世界就是一本书，不旅行的人只读了其中一页。

The man who writes about himself and his own time is the only man who writes about all people and about all time.

I'm not afraid of dying, I just don't want to be there when it happens.