There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.

孔子说：“见到贤人，要向他看齐；见到不贤，要反省自己。”

Sustainability isn't an option - it's our responsibility to future generations.

我不是说唱歌手，我是一个地理的传奇。

真相不是你希望的样子；它就是它本来的样子，你必须屈服于它的力量，否则就活在谎言中。