The surprise is that, even though he's seriously annoying, Aidan's relentless optimism makes him likeable. (contactmusic.net)
Relentless optimism is a key trait of successful entrepreneurs. (entrepreneur.com)
«Your response has to be to reject cynicism and reject pessimism and push forward, with a certain infectious and relentless optimism,» Obama said on stage at the event. (businessinsider.com)