当儿童还没有发展起控制能力的时候，“让儿童想干什么就干什么”是与自由观念相违背的。
It will take about a thousand million million million million years for the Earth to run into the sun, so there’s no immediate cause for worry!
I don't like to categorize music.
Innovation is not just about technology; it's about how you think and approach problems.
A vida é uma festa que não se repete.
我能做的就是做我自己，不管那是谁
行动是正确的，因为它们倾向于促进幸福；错误是因为它们倾向于产生与幸福相反的结果。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.