Thematic Bible: What shall be tried

Every man's work shall be made manifest: for the day shall declare it, because it shall be revealed by fire; and the fire shall test every man's work of what sort it is. If any man's work abide which he has built thereupon, he shall receive a reward. If any man's work shall be burned, he shall suffer loss: but he himself shall be saved; yet so as by fire.

And to the angel of the church in Philadelphia write; These things says he that is holy, he that is true, he that has the key of David, he that opens, and no man shuts; and shuts, and no man opens; I know your works: behold, I have set before you an open door, and no man can shut it: for you have a little strength, and have kept my word, and have not denied my name. Behold, I will make them of the synagogue of Satan, who say they are Jews, and are not, but do lie; behold, I will make them to come and worship before your feet, and to know that I have loved you. read more.
Because you have kept the word of my patience, I also will keep you from the hour of temptation, which shall come upon all the world, to try them that dwell upon the earth.