每一个挑战都是学习和成长的机会。

【释义】：和品德好的人相处，就像进入放满香草的屋子，久了也会染上香气；与恶人交往，如同走进卖臭鱼的店铺，久了也会变臭。  

Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.

人生是一系列的选择，而最难的那些才是最重要的。

We must balance economic growth with environmental responsibility.

时间是最好的作者：总能找到一个完美的结局。