But when, after having arrived at the idea of good, which is the end of the science of dialectic, he is asked, What is the nature, and what are the divisions of the science?
He refuses to answer, as if intending by the refusal to intimate that the state of knowledge which then existed was not such as would allow the philosopher to enter into his final rest.

The previous sciences must first be studied, and will, we may add, continue to be studied tell the end of time, although in a sense different from any which Plato could have conceived.

But we may observe, that while he is aware of the vacancy of his own ideal, he is full of enthusiasm in the contemplation of it.

Looking into the orb of light, he sees nothing, but he is warmed and elevated.

The Hebrew prophet believed that faith in God would enable him to govern the world; the Greek philosopher imagined that contemplation of the good would make a legislator.