For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.
你每花一块钱购买一些实质性的东西，预计在其寿命结束时要支付一块钱的维修、保养或处理费用。
天然气领域的创新是可持续能源未来的关键。
And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.
适应旧程序以适应新机器通常意味着适应新机器以使其表现与旧机器相似。
每块石头都在讲述故事，我们的职责是让这个故事有意义。
最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。
The best architecture is the one that feels inevitable.