数学不是关于数字、方程、计算或算法的:它是关于理解的。
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."
作家的声音存在于词语之间的沉默中。
Psychology is concerned with the what and how of mental life, not the why.
A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.