Of how great consequence is it, then, that our endeavours should be exerted in stemming the propagation of errors, whether arising from ignorance, or prompted by motives of base cupidity, in giving assistance to the disseminations of useful truths, and to the perfection of ingenious discoveries.

Then again another acute and startling outbreak, a swift upgrowth of monstrous weedy thickets, a drifting dissemination about the world of inhumanly growing thistles, of cockroaches men fought with shot guns, or a plague of mighty flies.