A good mathematician is always ready to generalize.
一个好的数学家总是准备好进行概括。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
"The truth is, we all have our own prisons, and the key is always within reach."
Our quarries don't just produce stone - they produce opportunities.
他有办法让她感到安全，即使是在最不确定的时刻。