I do not trust Kenneth Wuest, since he went along with the Westcott-Hort hoax instead of exposing it. Nestle's critical text is warmed over Westcott and Hort, and Wuest should have had the discernment to expose this.I think Mr. Wuest did just that. Do you see where he didn't?
"Wuest is credited as one of the translators of the original New American Standard Bible (NASB). He later went on to produce his own English translation of the New Testament (the Wuest Expanded Translation – abbreviated WET) based on Nestle's critical text. In his translation of the New Testament, Wuest attempts to make the original Greek more accessible to the lay reader by drawing out (in translation) the full variety of possible meanings and translations of the underlying Greek words."
Kenneth Wuest - Textus Receptus
Actually the Lord Jesus Christ gave us the best description of "the flesh" or the sin nature, but he called it "the heart" of man (which would mean the heart of unregenerated mankind): 18 But those things which proceed out of the mouth come forth from the heart; and they defile the man. 19 For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies: 20 These are the things which defile a man: but to eat with unwashen hands defileth not a man. (Mt 15:18-20)
When a sinner is born again, he or she receives a new nature governed by the Holy Spirit. But the flesh is not eradicated, therefore it must be crucified or mortified. Therefore we have many exhortations to "walk in the Spirit" and not fulfil the lusts of the flesh.
There are three primary lusts of the flesh or "the heart": (1)the lust of the eyes, (2) the lust of the flesh (bodily appetites) and (3) the pride of life (1 John 2:16). We see that all three were present in Eve, the first woman who was deceived by Satan.
And when the woman saw that the tree was good for food [the lust of the flesh], and that it was pleasant to the eyes [the lust of the eyes], and a tree to be desired to make one wise [the pride of life], she took of the fruit thereof, and did eat, and gave also unto her husband with her; and he did eat. (Gen 3:6).
These are the exact same lusts which Satan presented to Christ in the wilderness when tempting Him. And Jesus of Nazareth rejected them all. Then sent Satan packing. Which is also what Christians can do by the power of the indwelling Holy Spirit.