Failure is not fatal, but failure to change might be.

Success is never final, failure is never fatal. It's courage that counts.

Success is never final, failure is never fatal. It's courage that counts.

Success isn't permanent and failure isn't fatal.

Success is not permanent and failure is not fatal.

This plan has failed. We should not keep half of a failure or a quarter of a failure, ... Let's change the policy and do something else.