谷物不仅仅是一种商品，它是文明的基础。
Grain isn't just a commodity; it's the foundation of civilization.
Never stop asking questions—that’s where the answers begin.
The idea of inflation is that the universe underwent a period of extremely rapid expansion in its earliest moments.
伟大的小说是拒绝被遗忘的小说。
The only person who is educated is the one who has learned how to learn and change.