数学不是一项观赏性运动。你必须亲自去做才能理解它。
Life is a never-ending struggle between memory and forgetting.
Success is not a destination, but a process of continuous improvement.
I always say that beauty is not just physical. It's about what you have inside. It's about your character, your spirit, and your soul.
经验的直接内容是唯一可以作为心理学研究主题的事实。
释义：与敌人交战之前，必须仔细分析和了解敌人的情况，然后才能制定作战计划和出兵，以确保行动的成功。
一个人若不付出一些无知的代价，就永远不会幸福。