唱歌不是为了出名，而是因为热爱。

（把丝）放于青色的染料中，丝就染成青色；（把丝）放于黄色的染料中，丝就染成黄色。墨子非常重视环境对人的影响。墨子有一次看到染丝的，感叹说：‘染于苍则苍，染于黄刚黄。所入者变，其色亦变。"其寓意是说环境的熏陶、社会风气的感染，会对人的思想、品质产生重要的影响。它可提醒人们要十分注意社会影响、文化氛围对人的感染，熏陶作用，切不可掉以轻心。

What matters in life is not what happens to you but what you remember and how you remember it.

In mathematics, the art of proposing a question must be held of higher value than solving it.

To die laughing must be the most glorious of all glorious deaths！

My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.