There is a time for daring,and there is a time for caution, and a wise man understanding which is called for
To be fond of dancing was a certain step towards falling in love.
解释:评价一个人时,不能因为一点过失就抹杀他的功劳。
计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
梦想需要勇气,更需要行动。