"We need the courage to start and continue what we should do, and the courage to stop what we shouldn't do."  - Richard L Evans

This quote means that we need to courage to change , changed for good . Like for example if you doing something bad we need to change . This got also refers to that everyone should take the courage to stop doing wrong and take the courage to do whats right. This requires bravery because not everyone is willing to do whats right.