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.

普通法是一个随着时间推移而演变的规则体系，以应对不断变化的社会和经济条件。

Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.

The only thing that is certain is uncertainty.

All I can do is be me, whoever that is.

解释：人有知识，犹如树木有枝叶，树木有了枝叶，能带给人阴凉，人有了知识，就可以为人民做更多的事。