To feed the world, we must first learn to respect the limits of our planet.
学校必须是一个让孩子学会将眼前欲望服从于更大社会利益要求的地方。
我们的正常之处,就在于自己懂得自己的不正常。
Hold on to your dreams, never give up, and success will come one day.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.