Science-backed insights into health, wellness and wisdom, to help you make tomorrow a little better than today. The power of three is evident in art, writing, speeches, ads, mantras, psychology, nature, and the entire universe. Ready for a bunch of examples? One, two, three… Press enter or click to view image in full size “One is the loneliest number that you’ll ever do,” according to the rock band Three Dog Night. “Two can be as bad as one.” Three, however? Three is awesome.