The money in our hand is a tool to keep free; the money we seek is a tool to make yourself a slave.
我们手里的金钱是保持自由的一种工具;我们所追求的金钱,则是使自己当奴隶的一种工具。
The language of mathematics is universal, transcending cultural and linguistic barriers.
You don't have to be perfect to be loved.
尊重孩子正在进行的所有合理的活动并试着了解,是我们教育方法中最首要的原则。
一个好的工程师是能把挫折转化为灵感的人。
A story is not finished until it has taken the worst possible turn.