在烦恼的黑暗宅院中，要常常生出智慧的光明。
词语之间的沉默是意义隐藏的地方。
In science, there is no such thing as a final answer.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
"The world is a tragedy to those who feel, but a comedy to those who think."
教育不仅仅是达到目的的手段，其本身就是目的。