1 tn This is a present imperative, calling for a constant watch (L&N 24.32; ExSyn 721).
2 sn Here you is a singular pronoun, individualizing the application.
3 sn The point is a dilemma. In a world arguing a person should have one wife, whose wife will she be in the afterlife? The question was designed to show that (in the opinion of the Sadducees) resurrection leads to a major problem.
4 tn Grk “For the seven had her as wife.”
5 tn Grk “determine in your hearts.”
6 tn This term could refer to rehearsing a speech or a dance. On its syntax, see BDF §392.2.