Read it through once

DUKE. None, but that there is so great a fever on goodness that the dissolution of it must cure it. Novelty is only in request, and as it is as dangerous to be aged in any kind of course as it is virtuous to be constant in any undertaking. There is scarce truth enough alive to make societies secure; but security enough to make fellowships accursed. Much upon this riddle runs the wisdom of the world. This news is old enough, yet it is every day’s news. I pray you, sir, of what disposition was the Duke?