For it would have been better for them not to have fully known the way of righteousness, than fully knowing it, to turn from the holy commandment delivered to them.

knowing that the putting off of my tabernacle is soon, as indeed our Lord Jesus Christ made clear to me.

knowing this first, that no prophecy of the Scripture came into being of its own private interpretation.

First, knowing this, that there will come in the last days scoffers walking according to their own lusts

Therefore, beloved, knowing beforehand, beware lest being led away with the error of the lawless, you fall from your own steadfastness.