“If you cannot fail, you cannot learn.”

Why it was said

Eric Ries makes this point while arguing that a startup's work should be treated as a series of experiments, each built around a hypothesis that could turn out to be wrong. He frames it as a lesson of the scientific method: a test designed so that it can only succeed teaches the team nothing.

What it actually means

The sentence is about design, not attitude. It is not "embrace failure" in the motivational sense. It says that learning requires a prediction the world is allowed to contradict. Many teams run "experiments" with no stated expectation: they launch something, look at whatever numbers come back and declare the result encouraging. Nothing could have counted as failure, so nothing was learned. Ries asks for the uncomfortable version: write down in advance what you expect to happen and what result would prove you wrong. Then a disappointing number is no longer embarrassing noise; it is the most useful thing the team produced that month.

How to use it

1. 1Before launching anything, write the number you expect and the number that would make you change course.
2. 2Share the prediction with the team in advance, so nobody can reinterpret the result afterwards.
3. 3Review failed predictions in a regular meeting as findings, not as occasions for blame.