Across the world, humans recently took various and generally well-meant oaths to improve themselves in some way or another. These resolutions follow an ancient tradition generally attributed to the Babylonian civilization of some four thousand years ago. Since then, countless resolutions have been started, to varying levels of success.
Most alien characters in Star Trek follow their people’s teachings, faith and customs to some extent, but given the nondenominational nature of this particular tradition, it doesn’t seem too much of a stretch to think that individuals of any race might find it somewhat appealing.
Does your character have a new year’s resolution?