"Books are the way that we communicate with the dead. The way that we learn lessons from those who are no longer with us, that humanity has built on itself, progressed, made knowledge incremental rather than something that has to be relearned, over and over."
书籍是我们与逝者沟通的方式。是我们从那些不再与我们同在的人那里学习教训的方式，人类以此为基础，取得进步，使知识逐渐积累，而不是一次又一次地重新学习。
Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.
疲惫不是身体的罢工，而是心理能量的收支失衡。
The best way to find yourself is to lose yourself in the service of others.
农业的未来在于平衡生产力与环境管理的可持续实践。