The best ideas often look terrible at the beginning the truly good ideas, don't seem like they're worth stealing.

The natural state of a start-up is to die; most start-ups require multiple miracles in their early days to escape this fate.

... the thing we see wrong with YC apps most frequently, is that people have not thought about the market first and what people want first.

You never want to be in a place where an employee has vested 3 out of the 4 years of stock and they start thinking about leaving.

Before product/market fit, your only job that matters is to build a great product.

You're saying no ninety-seven times out of a hundred, and most founders find they have to make a very conscious effort to do this.

A related advantage of mission oriented ideas, is that you yourself will be dedicated to them.