没有改变就不可能进步，而无法改变思想的人也无法改变任何事。
Progress is impossible without change, and those who cannot change their minds cannot change anything.
当你为他人的看法而活时，你就已经死了。
In the end, all we have are words.
登上梯子顶端的唯一方法就是一步一步往上爬。
The world always seems brighter when you've just made something that wasn't there before.