"Hakuna matata" is a Swahili phrase from Kenya. Its close meaning is "no worries". The phrase became popular after it had been used in the Disney animated film "The Lion King" in a song named after the phrase.
Look at this powerful compilation (thanks to the unknown aithor of it!), where each phrase is a gem in itself. I am sure everyone can find an inspiration in this or that phrase, and all of them together are Hakuna Matata!
How much is resonates with the Bible's "Do not let your hearts be troubled"!
Yes, we do have things to be thankful for. Hakuna matata!