78
It is not true that speculations upon these things have ever done harm or become injurious to the body politic. You must reproach, not the speculations, but the folly and the tyranny of checking them. You must lay the blame on those who would not permit men having their own speculations to exercise them.
79
On the contrary, speculations of this sort, whatever the result, are unquestionably the most fitting exercises of the human heart, generally, so long as the human heart, generally, is at best only capable of loving virtue for the sake of its eternal blessed consequences.
80
For in this selfishness of the human heart, to will to practice the understanding too, only on that which concerns our corporal needs, would be to blunt rather than to sharpen it. It absolutely will be exercised on spiritual objects, if it is to attain its perfect illumination, and bring out that purity of heart which makes us capable of loving virtue for its own sake alone.
81
Or, is the human species never to arrive at this highest step of illumination and purity?—Never?
82
Never?—Let me not think this blasphemy, All Merciful! Education has its goal, in the Race, no less than in the Individual. That which is educated is educated for something.