No matter who you are, you need two kinds of friends in your life. The first kind is one you can call when something good happens, and you need someo… - Ben Horowitz

Parcells: “Al, I am just not sure how we can win without so many of our best players. What should I do?” Davis: “Bill, nobody cares, just coach your team.” That might be the best CEO advice ever. Because, you see, nobody cares. When things go wrong in your company, nobody cares. The media don’t care, your investors don’t care, your board doesn’t care, your employees don’t care, and even your mama doesn’t care. Nobody cares. And they are right not to care. A great reason for failing won’t preserve one dollar for your investors, won’t save one employee’s job, or get you one new customer. It especially won’t make you feel one bit better when you shut down your company and declare bankruptcy. All the mental energy you use to elaborate your misery would be far better used trying to find the one seemingly impossible way out of your current mess. Spend zero time on what you could have done, and devote all of your time on what you might do. Because in the end, nobody cares; just run your company.

During this time I learned the most important rule of raising money privately: Look for a market of one. You only need one investor to say yes, so it’s best to ignore the other thirty who say “no.” We eventually found investors for a series C round (meaning our third round of funding) at an amazing $700 million pre-money valuation and raised $120 million.

As success drives the need to hire new engineers at a rapid rate, companies neglect to train the new engineers properly. As the engineers are assigned tasks, they figure out how to complete them as best they can. Often this means replicating existing facilities in the architecture, which leads to inconsistencies in the user experience, performance problems, and a general mess. And you thought training was expensive.