The artist must be a stranger to the world.

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.

我声明学习和教授解剖学，不是从书本而是从解剖中来。

我不害怕采取不受欢迎的立场。

幸福不是现成的东西。它来自于你自己的行动。