Sustainability must be profitable, or it won't be sustainable.

The body is the primary site of meaning.

译文：贫穷时即使身处繁华的闹市，都没有人关心问候，富贵时即使住在深山老林都会有亲戚登门。赏析：要想赢得别人的尊重，我们应该努力奋斗，改变自己的窘境。当我们变得强大时，身边的人自然不敢小看我们。

阅读就是旅行，旅行到其他地方、其他时间、其他思想。

You can't go back and change the beginning, but you can start where you are and change the ending.

The most advanced technology is worthless if farmers don't understand how to use it effectively.