在这个开明的时代，丈夫的神圣权利，就像国王的神圣权利一样，可以希望在不危险的情况下受到质疑。
The hardest part of returning to a truly wild environment is leaving behind the mechanical distractions of modern life.
不要说不利于身心的话，不要做不利于身心的事，不要接近不利于身心的人，不要进入不利于身心的境界，不要看不利于身心的书。
The most profound technologies are those that become invisible because they are so deeply embedded in our lives.
Science is simply common sense at its best—that is, rigidly accurate in observation, and merciless to fallacy in logic.