Make it simple. Make it memorable. Make it inviting to look at. Make it fun to read.
Mathematics is the language in which God has written the universe.
【释义】当商品价格高涨时,要像对待粪土一样迅速出售;当商品价格低廉时,要像对待珠玉一样大量购入。
Sustainability isn't a choice—it's our responsibility to future generations.
在爱情中我们都是傻瓜。