彼は会社をくびになったんだけど、わざわい転じて福となすで、見事独立したから偉いよ。

tbd

His old company gave him the shaft. But I admire the way he turned bad luck into good and did even better with his own business.

笑う門には福来る。

tbd

Fortune comes in by a merry gate.

災い転じて福となる。

tbd

Good comes out of evil.

災い転じて福となせ。

tbd

Make the best of a bad bargain.

To turn a disaster into an opportunity.

災いを転じて福としなさい。

tbd

Turn your misfortune to account.