After this I beheld, and, lo, a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes, and palms in their hands;
Ver. 9. A great multitude] All the faithful from the apostles to the end of the world. In all ages there were some that sought righteousness; neither was it ever so hard with the Church as the host at Nola (in the story) made it; who when he was commanded by the Roman censor to go and call the good men of the city to appear before him, went to the church yards, and there called at the graves of the dead, O ye good men of Nola, come away, for the Roman censor calls for your appearance; for he knew not where to call for a good man alive. In the very midst of Popery there were many faithful witnesses, and more of such as (like those two hundred that went out of Jerusalem after Absalom) went on in the simplicity of their hearts, and knew not anything, 2 Samuel 15:11. (Anton. di Guevara.)
Clothed with white robes] See Trapp on " Rev 3:4 "
And palms in their hands] In token of victory over all spiritual enemies. This was hinted at by those palms engraved in Solomon's and Ezekiel's temple.