American Standard Version (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.
King James Version (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.