There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

历史不是过去。它是现在。我们带着我们的历史。我们就是我们的历史。

The arc of the moral universe is long， but it bends toward justice.

The city is the collective memory of its people, and like memory it is associated with objects and places.

天然气是通往更清洁能源未来的桥梁，但我们必须负责任地跨越这座桥梁。