农业的创新不仅仅是技术问题，更是思维方式的转变。
The wisdom of hindsight, so useful to historians and indeed to authors of memoirs, is sadly denied to practising politicians.
Your attitude determines your altitude.
掌权者总是从弱小的平民手中掠夺权力。这就是他们积累权力，成为统治者的方式。
Our approach is to observe carefully before acting.
The best solutions often come from listening—to nature, to science, and to the people on the ground.