And easy to be less doctrinaire--right?--

当然不教条也很容易
if you are one of the persons who created the doctrine.

如果你就是那个制定教条的人
Today we will be talking about

今天我们要讲的是
one important component of Marx's theory, his theory of history.

马克思理论的一个重要组成部分历史观
And this is also contradictory, full with tensions and contradictions.

这也是一个矛盾的观点充满争议和矛盾
But it is a formidable body of propositions; absolutely formidable.

然而这是一个非常伟大的理论
There is actually not a single theorist I can recall who,

事实上我想不到任何一个思想家
like Karl Marx,

能像马克思那样
not only has a very specific set of ideas in what stages human evolution,

不仅对人类演化的进程提出了非常独到的见解
from the very elementary societies

他的理论涉及了从初级社会
to the most complex one evolved.

到复杂社会的一切
There are many who offer typologies like this.

有很多人提出过类似的思想