KJV:
Neither give heed to fables and endless genealogies, which minister questions, rather than godly edifying which is in faith: so do.
NASB:
nor to pay attention to myths and endless genealogies, which give rise to mere speculation rather than furthering the administration of God which is by faith.
KJV:
But refuse profane and old wives' fables, and exercise thyself rather unto godliness.
NASB:
But have nothing to do with worldly fables fit only for old women. On the other hand, discipline yourself for the purpose of godliness;
KJV:
And they shall turn away their ears from the truth, and shall be turned unto fables.
NASB:
and will turn away their ears from the truth and will turn aside to myths.
KJV:
Not giving heed to Jewish fables, and commandments of men, that turn from the truth.
NASB:
not paying attention to Jewish myths and commandments of men who turn away from the truth.
KJV:
For we have not followed cunningly devised fables, when we made known unto you the power and coming of our Lord Jesus Christ, but were eyewitnesses of his majesty.
NASB:
For we did not follow cleverly devised tales when we made known to you the power and coming of our Lord Jesus Christ, but we were eyewitnesses of His majesty.