Sustainable agriculture requires a balance between technology and ecological preservation.
可持续农业需要在技术和生态保护之间取得平衡。
他人即地狱。
完成比完美更重要。
The most dangerous thing is to become complacent with past success.
The individual has to fashion himself out of the material given by his culture.
穷人面临的约束往往是政策制定者看不到的。