书籍是很好的礼物，因为它们里面包含了整个世界。
Books make great gifts because they have whole worlds inside of them.
The best farmers don't just raise animals; they cultivate ecosystems.
最强大的两个战士是耐心和时间。
To understand the future of secure communication, one must first understand the limitations of current cryptographic methods.
教育体系是以感官基础,以思考为过程,以自由为目的。