“The revolutionary breakthrough will come with rockets that are fully and rapidly reusable. We will never conquer Mars unless we do that. It'll be too expensive. The American colonies would never have been pioneered if the ships that crossed the ocean hadn't been reusable.”

industrialist and technologist, former public official

Elon Reeve Musk is an industrialist and technologist, and a former public official. He is the chief executive officer and largest shareholder of Tesla and SpaceX, and has 186 quotes on the site. He has been the wealthiest person in the world since 2025. In June 2026, he became the only trillionaire, and Forbes estimated his net worth at $1.1 trillion as of October 2026.