"Mentorship is a two-way street. While I was learning from them [brilliant mentors] - and their years of experience and expertise - what I was giving back was equally important. I brought fresh insights and new perspectives to their thinking."

"Light a path for the better angels. The world is counting on you."

""Build it and they will come” is not a strategy; it’s a prayer."

"There are no facts inside the building, so get the hell outside."

"To predict the future, 1/3 of your team needs to be crazy."

"Young entrepreneurs tend to be fearless and have no respect for the status quo, and that’s exactly what you need in an environment where the status quo is going to put you out of business."

"Founders fit the definition of a composer: they see something no one else does. And to help them create it from nothing, they surround themselves with world-class performers."

"Innovation comes from those who see things that other don’t."

"Founders are truly artists – they see something no one else does."

"Entrepreneurship is an art, not a job."

"Don't believe your own b.s. It's real easy to confuse funding with success."

"While there is an occasional bad apple, the public market rewards companies with revenue growth and sustainable profits."

"Customers don't ask to see your business plan."

"Confusing testosterone with strategy is a bad idea."

"We used to pivot by firing people. Now we fire the hypotheses."

"When I was young, I learned a quote in Sunday school that has stayed with me throughout my life. It said, 'teach us to number our days that we gain a heart of wisdom.' * Most of us will wake up 28,762 days- and then one day - we won’t. That means you have about 21,000 days left - and about 14,000 of them for your career. So herein lies the urgency."

"80% of success in your career will come from just showing up. The world is run by those who show up…not those who wait to be asked."

"Customer Development says “Glad you have these hypotheses about your startup. All of them are probably wrong.”"

"Progress and stability are mutually exclusive."

"Number one is "Do you have curiosity?" Number two is "Does it translate to imagination?" But number three is "Did it translate to action?" That’s the difference between someone with an idea and someone who is an entrepreneur."

"Great entrepreneurs are revolutionaries. They speak truth to power. They change the status quo. They rebel against what exists. If you want to see what country will create the next Steve Jobs or Elon Musk, see how they treat their dissidents."

"There are several generations of Silicon Valley CEOs who "pay-it-forward." It’s an understood, underground thing you don’t talk about. You give back to younger founders and entrepreneurs without asking for anything. The goal is to pass on what we learned to make our startup ecosystem better."

"A startup is in reality a 'faith-based enterprise' on day one. To turn the vision into reality and the faith into facts (and a profitable company), a startup must test those guesses, or hypotheses, and find out which are correct."

"Change engenders resistance, and resistance creates saboteurs."

"Customer Discovery is damn hard work. You can't fake it."

"Money is the lifeblood of startups. You stay in business until you run out of it."

"The #1 change in Silicon Valley is information density. If you think about it, 30 years ago the only way you got info was during one-on-one meetings. You knew very little and the world knew very little. We just know a lot more now."

"The best startups discover a situation where customers have tried to build a solution themselves."

"Only because earlyvangelists are buying into your total vision will they spend money for an incomplete, buggy, barely functions first product."

"The answers are easy. Asking the right questions is hard."

"No business plan survives its first contact with customers."

"The Silicon Valley culture is "I can win and you can win" - it isn't a sum-zero game."

"Building your product is easy. The hard part is getting customers."

"Winners understand why customers buy."

"In a startup, founders define the product vision and then use customer discovery to find customers and a market for that vision."

"If you're afraid to fail in a startup, you're destined to do so."

"Relentless execution without knowing what to execute is a crime."

"A startup is a temporary organization in search of a scalable, repeatable, profitable business model."

"Market type influences everything a company does."

"Don’t execute other peoples advice if you can’t explain why you’re doing it."

"On Day One, a startup is a faith-based enterprise."

"In Silicon Valley, we have a special word for a failed entrepreneur – it’s called experienced."

"Entrepreneurs are artists and I mean “artists” in the true sense of the word: they see something no one else does."

"Startups demand comfort with chaos, uncertainty and change."

"A startup is not a smaller version of a large company."

"I’ve watched how, in a blink of an eye, technology went from products used by the very few, to ending up in the pockets of billions, bringing social change and corporate disruption."

"A founder's skill is knowing how to recognize new patterns and to pivot on a dime. At times the pattern is noise, and the vision turns out to be a hallucination."

"Strategy Is not a to-do list."

"The Silicon Valley entrepreneurial culture used to be limited to a few entrepreneurial clusters. Now the Internet has spread that culture everywhere."

"It must be understood that in picture-making the methods used by one photographer may be entirely unsuited to another. This must be so, or there would be little or no individuality in pictures by different artists."