Thematic Bible: What shall be tried

The work of each [one] will become [plainly, openly] known (shown for what it is); for the day [of Christ] will disclose and declare it, because it will be revealed with fire, and the fire will test and critically appraise the character and worth of the work each person has done. If the work which any person has built on this Foundation [any product of his efforts whatever] survives [this test], he will get his reward. But if any person's work is burned up [under the test], he will suffer the loss [of it all, losing his reward], though he himself will be saved, but only as [one who has passed] through fire.

And to the angel (messenger) of the assembly (church) in Philadelphia write: These are the words of the Holy One, the True One, He Who has the key of David, Who opens and no one shall shut, Who shuts and no one shall open: I know your [record of] works and what you are doing. See! I have set before you a door wide open which no one is able to shut; I know that you have but little power, and yet you have kept My Word and guarded My message and have not renounced or denied My name. Take note! I will make those of the synagogue of Satan who say they are Jews and are not, but lie -- "behold, I will make them come and bow down before your feet and learn and acknowledge that I have loved you. read more.
Because you have guarded and kept My word of patient endurance [have held fast the lesson of My patience with the expectant endurance that I give you], I also will keep you [safe] from the hour of trial (testing) which is coming on the whole world to try those who dwell upon the earth.