History is a cyclic poem written by time upon the memories of man.
现在很清楚，杂种形成的种子具有一个或另一个分化特征，其中一半再次发育成杂种形式，而另一半产生的植物保持恒定，并以相等的数量接受显性或隐性特征。
True craftsmanship leaves both the product and the planet better than it found them.
To write is to resist, to fight against the forces that seek to silence us, to assert our humanity in the face of dehumanization.
I don’t need a reason to be fearless.
历史学家必须怀有一种信念：人类不会也不能灭亡。