Tai Situ Rinpoche, the describes the 6 paramitas as such:
Six invaluable qualities unfold and manifest from within the minds of disciples of the Buddhadharma who pursue and practice the teachings that Lord Buddha presented with joy and diligence. The six invaluable qualities are known as “the six paramitas,”
In this video, Ringu Tulku talks about the paramita of joyful effort, or taking joy in doing positive things. As he explains, when someone has joyful effort or diligence, there isn’t anything a person can’t accomplish. In this talk, he talks about counteracting the laziness: procrastination, not correctly prioritizing, and not feeling capable to act.