새옹지마
A: I was really upset about being fired,but then I found my dream job.
B: So I guess being fired ended up working out very well for you!
A: Yes, I guess that every cloud has a silver lining.
A: 회사에서 해고당해서 기분이 정말 착잡했었는데 꿈꾸던 직장을 찾았어.
B: 그래서 해고당한 것이 결국 잘된 일이었네!
A: 그래. 새옹지마인가봐.
*Similar and related expressions
It was a blessing in disguise.
고진감래였어.