In computer science, we often deal with problems that are too complex to solve directly, so we break them down into smaller, more manageable parts.
【译文】 孔子说:“生来就知道的,是上等人;学习后才知道的,是二等人;遇到困难才学习的,是三等人;遇到困难也不学习的,这就是下等人了。”