Should You Quit Your Job When Starting a Business?

When starting a business, should you quit or keep your day job? One thing that people always assume entrepreneurs are our risktakers. It's true that there is some degree of risk taking and being able to take that leap that's necessary but, but in reality I’ve found that a lot of people I've talked with actually do a lot of research beforehand. So the question often asked is if you're starting a business should you quit your day job, or should you continue to work your day job and develop your business as a side hustle to start?