Silicon Valley Founder Blog Weekly Read2026/06/03 15:54:39Wealth taxes, billion-dollar ambitions: what two founders wrote this monthPaul Graham's latest essay reveals the math behind wealth taxes that every equity-holding founder needs to understand. Garry Tan argues — with Graham's own data — that ambitious founders are systematically undercapping their targets. Both essays point at the same error: underestimating what you're building.