At all events, wherever it is let it be pointed out to us.

It is useless, as we have seen, if not generally presentable.

To those who most need it, it is useless until presented.

Indeed, until it is presented we are but acting on the maxim of its advocates by refusing to believe in its existence.

'_No simplicity of mind_,' says Professor Clifford, '_no obscurity of station, can escape the universal duty of questioning all that we believe_.' The question, then, that we want answered has by this time, I think, been stated with sufficient clearness, and its importance and its legitimacy been placed beyond a doubt.