a continuant sound

Professor Challenger was on his feet. His appearance and manner are peculiarly arresting, and as he raised his hand for order the whole audience settled down expectantly to give him a hearing.

an unsingably high note

a Heaven's radiance of justice, prophetic, clearly of Heaven, discernible behind all these confused worldwide entanglements, of Landlord interests, Manufacturing interests, Tory-Whig interests, and who knows what other interests, expediencies, vested interests, established possessions, inveterate Dilettantisms, Midas-eared Mammonism.