當實驗證明最吸引人的想法是錯誤時，你必須準備好放棄它們。
譯文：遇到危險時就應該學會避讓，自己沒有才能就不要去獻詩。賞析：明知力量懸殊，危險重重，置自己的性命于不顧，是對自己不負責的表現(xiàn)。如果不能確保自身的安全，任何事都不要去做。凡事都要做好充足的準備，提高自己的價值，才會立于不敗之地。
The materials we choose today become the legacy we leave tomorrow.
The environment is not a mosaic of stimuli, but a field of forces in which every part is dynamically related to every other part.
We can't just farm fish; we must farm ecosystems.