Some of your “happy chemicals” include serotonin and dopamine. Mantras not only support the production of these chemicals; they also shift your brain waves into more calming states. A March 2014 article in the magazine Psychology Today noted that “nature relatedness often predicts happiness regardless of other psychological factors.”
This mantra is great for those times of day when you are transitioning from indoors to outdoors (e.g., checking your mail or walking to your car). It encourages you to fully soak in the ample benefits nature provides.