must, for his encouragement, ever bear in mind that from the doings and affairs of the populace, from the turmoil and bustle of the market-place, nothing is further removed than the quiet retreat and sanctuary of the Academy, where no noise of the world may enter, and where the only god raised on a pedestal is Truth, in solitary, naked sublimity.

The conclusion from these two premises is that I must be allowed complete freedom of speech, as well as the right of questioning everything; and furthermore, that if I succeed in really contributing something, however small, to this subject, then that contribution will be of no little importance.

But there are still other difficulties obstructing my path. The Royal Society asks for a short monograph setting forth the basis of Ethics entirely by