Sustainable growth is characterized by one simple rule: New customers come from the actions of past customers.

What differentiates the success stories from the failures is that the successful entrepreneurs had the foresight, the ability, and the tools to discover which parts of their plans were working brilliantly and which were misguided, and adapt their strategies accordingly.

The only person who can put you out of business, in the early days, is yourself.

Most phenomenal startup teams create businesses that ultimately fail. Why? They built something that nobody wanted.

The grim reality is that most start-ups fail. Most new products are not successful. Yet the story of perseverance, creative genius, and hard work persists.

The hardest part is the grueling work of constantly being wrong.

Vanity metrics are the numbers you want to publish on TechCrunch to make your competitors feel bad.