KJV:
Knowing this first, that there shall come in the last days scoffers, walking after their own lusts,
NASB:
Know this first of all, that in the last days mockers will come with their mocking, following after their own lusts,
KJV:
Woe unto them! for they have gone in the way of Cain, and ran greedily after the error of Balaam for reward, and perished in the gainsaying of Core.
NASB:
Woe to them! For they have gone the way of Cain, and for pay they have rushed headlong into the error of Balaam, and perished in the rebellion of Korah.
KJV:
These are murmurers, complainers, walking after their own lusts; and their mouth speaketh great swelling words, having men's persons in admiration because of advantage.
NASB:
These are grumblers, finding fault, following after their own lusts; they speak arrogantly, flattering people for the sake of gaining an advantage.