书籍是很好的礼物,因为它们里面包含了整个世界。
科学的每一次伟大进步都源于新的想象的大胆。
Grain farming isn't just a business—it's a responsibility to future generations.
任何一样东西,你渴望拥有它,它就盛开。一旦你拥有它,它就凋谢。
The best time to plant a tree was 20 years ago; the second-best time is now.