Mathematics is the science of patterns, and we study them to understand how things work.

I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger. Everything in life is this way.

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

解析：教导学生，不到他想弄明白而不得的时候，不去开导他；不到他想出来却说不出来的时候，不去启发他。