Therefore, beloved, since you already know these things, be on your guard so that you will not be carried away by the error of the lawless and fall from your secure standing.
KJV
Ye therefore, beloved, seeing ye know [these things] before, beware lest ye also, being led away with the error of the wicked, fall from your own stedfastness.
ASV
Ye therefore, beloved, knowing these things beforehand, beware lest, being carried away with the error of the wicked, ye fall from your own stedfastness.