人活在世上只是过客，如果离开人世也没让你最疼爱的人，知道你是谁，是很可悲的事情。
Known for all that you were during this brief stay.How sad it seems to leave this earth without those you love the most ever really knowing who you were.
Flowers always make people better, happier, and more helpful; they are sunshine, food and medicine for the soul.
The only way to learn mathematics is to do mathematics.
失败的勇气与成功的意愿同样重要。