Milton Hershey started three candy companies before Hershey's.

Everyone knows Hershey’s chocolate, but when Milton Hershey first started his candy production career, he was a nobody. After being fired from an apprenticeship with a printer, Hershey started three separate candy-related ventures, and was forced to watch all of them fail.
In one last attempt, Hershey founded the Lancaster Caramel Company, and started seeing enormous results. Believing in his vision for milk chocolate for the masses, he eventually founded the Hershey Company and became one of the most well-known names in the industry.
Draw inspiration from these stories the next time you experience failure, no matter the scale. In the moment, some failure might seem like the end of the road, but remember, there are countless successful men and women in the world today who are only enjoying success because they decided to push past the inevitable bleakness of failure.
Learn from your mistakes, reflect and accept the failure, but revisit your passion and keep pursuing your goals no matter what.