This quote by Orison Swett Marden is a suggestion that no matter what the outcome, if you put in your best shot, you can not stop working. It is a suggestion to stay favorable and to keep attempting, even when the odds are against you. It is a pointer that success is not always determined in concrete results, however in the effort presented. It is a suggestion that even if you do not get the wanted outcome, you can still take pride in the effort you put in. It is a reminder that failure is not the end, however rather a finding out experience that can assist you grow and become better. It is a reminder that no matter what, you can constantly take pride in yourself for doing your best.
"Don't lower your expectations to meet your performance. Raise your level of performance to meet your expectations. Expect the best of yourself, and then do what is necessary to make it a reality"
"The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom"