出自《海国图志序》。善于学习外国的长处，就能够征服外国;不善于学习外国的长处就会被外国所征服。

计算机科学中的挑战不仅仅是解决问题，而是找到正确的问题来解决。

Reflection on the past is the source of wisdom for the future.

Science is the torch that illuminates the world.

区分竞争的本质。

Modularity is essential for building large, maintainable systems, as it allows us to break down complex problems into smaller, more manageable parts.