Progress is not inevitable; it is the result of deliberate choices and actions.
【大意】人的贪欲多了,就会亏损道义;忧虑多了,就会损害智慧;畏惧多了,就会伤害勇气。
You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.
森林的真正价值不能仅用板材英尺来衡量。