The best way to learn mathematics is to do mathematics.
真相很少是纯粹的,也从不简单。
我嘅音乐系我嘅日记,记录我嘅喜怒哀乐。
We hold these truths to be self-evident: that all men are created equal.
如果你无法改变现状,那就改变你的心态。