The groovy, self-made billionaire has one of the more unlikely startup stories. It all began with a magazine Richard Branson started as a teenager. Through the course of his career, he's started an airline, a railroad, a space company, an ocean exploration company, and more. It's tough to deny that the guy has some serious audacity. That's why Sir Branson is a perennial source of inspiration for other aspiring founders.

Below, check out five pearls of entrepreneurial wisdom he dispensed recently from his Twitter account. 

You are the key to making your business successful.

There's always something to learn from past failures and mistakes.

Take that leap of faith.

To go forward, you might need to go backwards a few times.

But don't stop moving.