如果我们想为子孙后代提供粮食，可持续农业是唯一的前进方向。
Sustainable farming is the only way forward if we want to feed future generations.
凡事需多听但少言；聆听他人之意见，但保留自己之判断。
Suffering! We owe to it all that is good in us, all that gives value to life; we owe to it pity, we owe to it courage, we owe to it all the virtues.
煤炭的未来在于清洁高效利用。