Ineffective people live day after day with unused potential

Ineffective people live day after day with unused potential (Stephen R. Covey, The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change)

I grew up playing games, and I remember Christmas 1981 when my dad got us an Intellivision, and we all sat around and played ‘Astrosmash’ for hours on end. It was a big part of my youth

It can happen sometimes, with those who brood on an injustice, that a taste for revenge can usefully combine with a sense of obligation