膨胀宇宙模型表明，宇宙在大爆炸后的最初几分之一秒内呈指数级膨胀。

For farmers to prosper, they must take the path of industrialization.

The human being is the only animal that thinks about the future.

"A book is a world you can hold in your hands."

Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently.

The power of abstraction is what allows mathematics to transcend the limits of physical reality.