What is the use of running when we are not on the right road?

Quality is not a cost; it is an investment.

大军过境，草木皆焚。

体现了道家阴阳平衡的思想，强调事物之间的相互制约与和谐。

新鲜面包的香气是安慰的通用语言。

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

数学是上帝用来书写宇宙的语言。