化学的乐趣在于实践,而不仅仅是发现。
The joy of chemistry is in the doing, not just the discovering.
I just want to make people happy.
幸福的幸里面是一个“幸”,不是一个“辛”。  或者理解成,Y=Why=为什么,I=我。幸福里面没有为什么,只有我。 
The world is not a rectangle.
The true measure of a mining company's success is its ability to leave a positive legacy for future generations.
更改规格以适合程序要容易得多,反之亦然。