Knowing your customer inside and out is mission-critical, and it takes time. It's impossible to hit on the insights that will ultimately decide your company's fate without putting them to the test - literally - even if that takes longer than you'd have liked.

One thing I never thought about in my big-company job? Cash flow. When your business has billions of dollars in revenue, you can make a lot of mistakes and still have a viable business. But in a startup, make a few hiring mistakes, and you can find yourself in real jeopardy fast.

If your idea is truly innovative, you're going to hear from the naysayers. After all, if it really were such a good idea, someone would have already done it, right?

Sallie Krawcheck Quotes