幽默是儿童书籍中的强大工具；它可以让严肃的话题变得易于接受。
Humor is a powerful tool in children's books; it can make serious topics accessible.
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
One of the best rules anybody can learn about investing is to do nothing, absolutely nothing, unless there is something to do... I just wait until there is money lying in the corner, and all I have to do is go over there and pick it up.
I'm the No. 1 living and breathing rock star. I am Axl Rose; I am Jim Morrison; I am Jimi Hendrix.
可持续发展不再是选择，而是生存的必需。
