利出者实及，怨往者害来。摘自
解释：把利益给出去，就会有实惠返回来；把怨恨给出去，就会有祸害返回来。
理解计算的极限与扩展其能力同样重要。
The individual is reduced to a negligible quantity, perhaps less in his consciousness than in his habits and in the unconscious adjustments of his life.
Technology is not just a tool. It can give learners a voice that they may not have had before.