It is a strange fact, characteristic of the incomplete state of our present knowledge, that totally opposing views are held on the nature of the forces which have shaped the face of the Earth.
一个奇怪的事实是，关于塑造地球表面的力量的性质，人们持有完全相反的观点，这反映了我们目前知识的不完整状态。
世界因你的榜样而改变，而非你的意见。
我们每天可支配的时间是有弹性的；我们感受到的激情会扩展它，我们激发的激情会收缩它；而习惯会填补剩下的部分。