The art of invention consists in finding out the causes of known effects.
The periodic table is a testament to human curiosity and ingenuity.
The strength of our industry lies in the people who dedicate their lives to it.
治理社会就应当完全根据这种共同的利益。人们总是愿意自己幸福,但人们并不总是能看清楚幸福。
What is learned is not movements but meanings.