让孩子留在家里最好的方法是让家庭氛围愉快——并且把轮胎的气放掉。

Mathematics is a living, breathing discipline, constantly evolving with new ideas.

Every failure in the lab teaches you something valuable—if you're paying attention.

到处都有痛苦。

我们都只是匆匆过客，短暂而转瞬即逝，然而我们却留下了存在的痕迹。