synergy

Duoing multiplies output. The right cofounder makes it easier to start and harder to quit. One person can hold conviction while the other provides alternate perspectives. One can focus on the product, the other on the business.

Over time, the distinction between who does what becomes blurred, and what's left is one unified vision and a shared drive to reach a north star. That's synergy.

one-trick

Mastery comes from hyperfixation on one thing and one thing only. Become so obsessed that success is inevitable.