The Lean Startup Playbook Forgot Something Important: These 5 Mental Skills Determine Whether Your Idea Survives

Inc.•Tue, Jul 21, 2026, 04:44 PM•2 min read

A business school professor shares the mental roadblocks that keep people from innovating.

Source: [Inc.](https://www.inc.com/brian-contreras/lean-startup-playbook-mental-skills-idea-business-school-professor-andy-molinsky/91377306)

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