What did you do to my sign?

你對我的標語做了什麼？

I've wrote the same...

我寫了一樣的東西...

...but different words.

只是用了不同的字。

Thank you.

謝謝。

It's a beautiful day and I can't see it.

今天是美好的一天，但我卻無法看到它。

Change your words. Change your world.

改變你的文字。改變你的世界。