在經濟系教一年級數學並不容易，因為文科出身的學生不會無條件接受數學的重要性。上星期有學生問matrix transpose有何用，今個星期就有另一名學生就determinant問同一個問題。我記憶之中，自己在數學系上課時從來都沒有學生會問這樣的問題。
Teaching a first-year mathematics course offered by the economics department is not easy, because students will not unconditionally accept the usefulness of mathematics. This is particularly true for students with an arts background. I had, for example, received questions doubting the usefulness of matrix transpose and determinant. I have never heard of such questions back when I took similar classes from the mathematics department.