Remember                               therefore                               how                     thou            hast                      received                               and                               heard ,                      and                     hold  fast ,                      and                               repent .                      If                               therefore                     thou            shalt                      not                               watch ,            I            will                      come                               on                               thee                               as                     a                      thief ,                      and                     thou            shalt                      not                               know                               what                               hour                     I            will                      come                               upon                               thee .