逆子无情甚于蛇蝎。
How sharper than a serpent's tooth is to have a thankless child.
Memory is what we thought we’d forgotten; it’s also what we thought we’d remember.
在暴君有权杀死一个国家的权利被证明之前,一个国家在必要时杀死暴君的权利永远不会被怀疑。
掌握医学知识的关键在于将理论与实践联系起来。