and the smoke of their torment ascendeth up for ever and ever: and they have no rest day nor night, who ?worship the beast? and his image, ?and whosoever receiveth the mark of his name.? Here is the patience of the saints: here are they that? keep the commandments of God,? and the faith of Jesus.?
Revelation 14:11‭-‬12 KJV

By this we can be sure that we have come to know Him: ?if we keep His commandments?
1Jn 2:3

And the dragon was enraged at the woman, and went to make war with the rest of her children, ?who keep the commandments of God and hold to the testimony of Jesus. ?And the dragon stood on the shore of the sea Rev 12:17

We are called to endure til the end and we are at war ......