You can profit by disappointment - if it is turned into inspirational dissatisfaction with a positive mental attitude.
Develop inspirational dissatisfaction. Rearrange your attitudes and convert a failure of one day into success on another.
If you know what you want, you can find a way to get it.
What contemptible scoundrel has stolen the cork to my lunch?
Greatness comes to those who develop a burning desire to achieve high goals.
Every adversity has the seed of an equivalent or greater benefit.