随着年龄的增长，你会发现你有两只手，一只用来帮助自己，另一只用来帮助别人。
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
Your work is going to fill a large part of your life, so make sure it's something you love doing.
化学的乐趣在于实践，而不仅仅是发现。