我不害怕坠入爱河，我害怕再次爱错了人。

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.

在代数中，两个量的相等性通过方程来表达。