Que sera sera, everything happens for a reason, what will be will be.
When we really try to get something, there are two things that can happen. Sometimes we get it. And sometimes we don’t.
When we get it, it’s because we worked for it. When we don’t, it’s because que sera sera.
Regret only happens if we don’t put our best foot forward. As long as we did the absolute best effort we could have, there’s really nothing to worry about.