应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。
The highest virtue is to lead others to the understanding of truth.
解释：栋梁不厚实，就不能承受房屋的重量。最重要的莫过于国事，对于栋梁人才来说，最重要的莫过于德行。
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.
自适应控制是关于实时调整控制器参数以应对系统动态变化的方法。
要发出紧急信号，使用“重要的事情说三遍”的“三”法则；三次呼喊、三声喇叭或三声哨声。
The biggest risk is not taking any risk.
