You must be the change you wish to see in the world.
你必须成为你希望看到的改变。
These walls are kind of funny like that. First you hate them, then you get used to them. Enough time passed, get so you depend>
电流概念的形成是电学理论发展中最重要的步骤。
我们越爱我们的朋友,就越少奉承他们;纯粹的爱表现在毫不包庇的态度。