如果罗马人被迫先学习拉丁语，他们就永远没有时间去征服世界。
The Romans would never have found time to conquer the world if they had been obliged first to learn Latin.
我们必须不断挑战现状以推动有意义的进步。
Forgetting is not a memory problem; it’s an attention problem.
本能的本质在于它独立于理性而被遵循。
人通过克服困难而成长。
It requires indeed some courage to undertake a labor of such far-reaching extent.