It would have to be something extremely significant to cause us to miss an opportunity to be united with our brothers in worship of Jehovah.
وَعَمَلُ ٱلبِشَارَةِ هٰذَا بَدَأَ بِهِ يَسُوعُ حِينَ كَانَ عَلَى ٱلْأَرْضِ .‏