实现不可能的唯一方法是相信它是可能的。

I don't have time to worry about who doesn't like me.

元素若按其原子量排列，会呈现出性质的周期性。

The environment is where we all meet; where we all have a mutual interest; it is the one thing all of us share.

写作是理解混乱的一种方式。