回归真正野生环境最困难的部分是放下现代生活的机械干扰。
The hardest part of returning to a truly wild environment is leaving behind the mechanical distractions of modern life.
The story of the human race is the story of men and women selling themselves short.
科学中真正的回报是为比自身更伟大的事业做出贡献。
自己不能胜任的事，切勿轻易答应别人;既经允诺，就必须实践自己的诺言。