出自先秦《荀子·非相》。赠人以有益之言，比赠人以金石珠玉更显珍贵。说明有益的建言对他人事业人生的助益作用。

I don't look for excuses. I look for solutions.

The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.

"Poetry is the art of making the invisible visible."

我不相信运气，我相信努力。

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.