当我们理解基于知识的系统时，情况将与以前一样-除了我们的指尖会被选中。
When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.
了解贫困的最佳方式是走出去，与穷人交谈。
You may have to fight a battle more than once to win it.
A life without festivity is a long road without an inn.
Dream big, start small, act now.
You can't build a peaceful world on empty stomachs and human misery.
你必须强迫自己考虑相反的观点。特别是当它们挑战你最钟爱的想法时。