在计算机周围,很难找到正确的时间单位来衡量进度。一些大教堂花了一个世纪完成。您能想象一个程序需要花费这么长时间吗?
农业的真正进步不仅以产量衡量成功,还要看生态系统健康。
 道德修养的最高境界,是认识到我们必须控制自己的思想。
The journey of solving a mathematical problem is as important as the solution itself, for it teaches us patience, persistence, and the joy of discovery.
The novel is the art of making the impossible believable.