Perhaps unhappiness can stem from having only one perspective to play with.

定理是永恒的；它们的证明是短暂的。

To understand the world, you must first understand a place like Mississippi.

In your life there are a few places, or maybe only the one place, where something happened, and then there are all the other places.

性价比是商业的最高信仰。

Nothing is impossible, the word itself says 'I'm possible'!

"Every child deserves to see themselves in a book."

道德戒律是完美的戒律。