Few peopleFocusgrowthHappyLot of peoplePassionPaul GrahamProductQualitySemi-happyStartupUser satisfactionY Combinator폴 그레이엄 12 Feb 2026 Paul Graham - It's better to make a few people really happy than to make a lot of people semi-happy. "It's better to make a few people really happy than to make a lot of people semi-happy.&qu…