In the quest for understanding, the journey is just as important as the destination.

耐心和坚持是解开数学之谜的关键。

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.

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.