Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

名称没有本来就合适的，而是由人们共同约定来命名的，约定俗成就是合适的，与约定不同的就是不合适的。

Children are not just miniature adults; they have their own way of seeing and understanding the world.

Entrepreneurship requires patience; success takes time.

科学的进步不是一条直线，而是一系列曲折，有时在新的进展之前似乎会倒退。

没有什么比临时的政府计划更永久。