是法平等，无有高下。
释义：万物本质平等，无贵贱之分。
我不是一个回头看的人。我总是向前看。
The past is never dead. It's not even past.
The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.
There are no facts， only interpretations.
在商业中，就像在生活中一样，你必须承担经过计算的风险。
The only way to learn mathematics is to do mathematics.