今天我们种下的每一棵树都是留给未来的遗产。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
所有伟大的爱情都是想象力的行为。
否认或回避赞美很不礼貌。即使你认为自己尚未名副其实，也应接受了感谢对方。
Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.