It is not shame for a man to learn that which he knows not，whatever his age.
一个人不论年龄多大，都要学习自己不懂的东西。这不是羞耻。
The future of forestry lies in balancing economic needs with ecological responsibility.
世界上最好和最美丽的东西是看不见甚至摸不到的——它们必须用心去感受。
It is greed to do all the talking but not to want others to do the talking after one has listened.
The human understanding， when it has once adopted an opinion， draws all things else to support and agree with it.
Music taught me perseverance.
世界所有的前进动力都归功于不安分的人；幸福的人不可避免地把自己限制在古老的界限内。
The future is not a gift. It is an achievement.