Don't Worry Be Happy? Great song great message but for most of us it's easier said than done. However I say unto you if all would agree to give up worrying, to be industrious but never anxious about the outcome it would mean a new era in human progress. An age of liberty, of freedom from bondage.
Therefore become like the birds and all of nature you see around you. Incessantly active building homes finding sustenance but never ever worrying.
Know that there is abundance for everyone and that all those things you need and desire will be added unto you.