But few of them indeed bear the apples of knowledge.

The modern world insists, however, that every individual shall bear the apples of knowledge.

So we go through the forest of mankind, cut back every tree, and try to graft it into an apple-tree.
A nice wood of monsters we make by so doing.
It is not the _nature_ of most men to know and to understand and to reason very far.

Therefore, why should they make a pretense of it?
It is the nature of some few men to reason, then let them reason.

Those whose nature it is to be rational will instinctively ask why and wherefore, and wrestle with themselves for an answer.