Sentence examples for shit happens from inspiring English sources

'shit happens' is not considered correct or usable in written English.
It is considered an inappropriate or vulgar phrase, and should not be used in professional or academic writing. If you wish to express the same sentiment, you could use a phrase such as "unexpected difficulties may arise" or "unfortunate events may occur". For example, "No matter how much preparation you do, sometimes unfortunate events may occur that are out of your control".