When we are planning for posterity， we ought to remember that virtue is not hereditary.
当我们为后代规划时，我们应该记住，美德并不是世代相传的。
永远别把自己太当回事。没人在乎。
Technology alone won't save us; it must be paired with a fundamental shift in how we consume and think about energy.
物品总是被携带、出售、交换、偷窃、找回和丢失。人们总是把东西送给别人。
Well may the boldest fear and the wisest tremble when they contemplate the condition of our country.
当他们思考我们国家的状况时，最勇敢的人可能会害怕，最聪明的人可能会颤抖。