Life is short, but there is always time for courtesy.
使较弱的论点变得更强。
采矿效率不仅仅是速度；而是用更少的浪费做更多的事。
How will you use these gifts？ And will you take pride in your gifts or pride in your choices？
真正的可持续性意味着为子孙后代留下比我们发现时更好的土地。
破坏东西比创造它们容易得多。