如果一个想法在一开始不是荒谬的,那它就是没有希望的。
分别时南飞的鸿雁刚刚北去,今日北归的大雁又已南飞
Technology gives us precision in forestry operations, but wisdom tells us where and when to apply it.
Freedom is the right to tell people what they do not want to hear.
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.
在没有生命力的帮助下合成尿素是一个极其重要的事实。