It's simple, you just take something and do something to it, and then do something else.

唯一不变的就是变化本身，这是自然界一个永恒的主题。

The only thing standing between you and your goal is the story you keep telling yourself as to why you can't achieve it.

我不在乎别人怎么说，我只在乎自己怎么做。

You just once young but may be immature indefinitely.