Galatians 5:16: This I say then, Walk in the Spirit, and ye shall not fulfil the lust of the flesh.
If we are to walk in the Spirit rather than fulfil the lust of the flesh we must know the difference. We can never know the difference unless the Holy Spirit lives in us and teaches it to us.
John 14:26: But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you.
The Holy Spirit will not live in us until we receive Jesus and become children of God.
John 1:12: But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name:
Galatians 4:6: And because ye are sons, God hath sent forth the Spirit of his Son into your hearts, crying, Abba, Father.
The Bible teaches no other way than receiving Jesus for us to become children of God and be given the indwelling Holy Spirit. Many claim that they are Christians who have never received Jesus. Many believe in Him intellectually but they have never submitted themselves to Him and His authority and power. Receiving Jesus is receiving His power and His authority and His WILL.
Luke 6:46: And why call ye me, Lord, Lord, and do not the things which I say?
Those who have not received Jesus are always unwilling and unable to walk in the Spirit and they don*t even know it. It is difficult to know where the unwilling leaves off and the unable begins. It can be difficult to know where the Spirit ends and the flesh begins. Those who have received Him are able to walk in the Spirit, but even they are not always willing. The blessed believers walk in the Spirit much more consistently than unblessed believers. Their flesh will deceive them into believing that they are walking in the Spirit when they are fulfilling the lust of the flesh. I notice many Christians doing things and saying things that are obviously unbiblical. And horror of horrors, I often catch myself doing things that are obviously unbiblical. How can we know the difference?
Proverbs 16:3: Commit thy works unto the LORD, and thy thoughts shall be established.
That is an absolute promise. When believers are committed to doing what God wants instead of what they want themselves, THEY WILL KNOW WHAT HE WANTS THEM TO DO. They might not know when they want to know, they might not know immediately, but they will know when they need to know. The commitment comes first. When they are committed to doing what they feel like doing, they will not know what He wants. Walking in the flesh will be selfish. Walking in the Spirit will be unconcerned about self. Walking in the flesh will be pride. Walking in the Spirit will be humble. When we walk in the flesh we are unable to get our thoughts off of ourselves and what we want. When we walk in the Spirit we are able to put our thoughts upon God and what He wants. When we walk in the Spirit we will love. When we walk in the flesh we will not. When we walk in the Spirit we will have joy and peace. When we walk in the flesh we will not. When we walk in the Spirit we will be patient, gentle, good and temperate. When we walk in the flesh we will not. When we walk in the Spirit we will be COMPLETELY truthful. When we walk in the flesh we will not.
Galatians 5:22: But the fruit of the Spirit is love, joy, peace, longsuffering, gentleness, goodness, faith, 23 Meekness, temperance: against such there is no law.
Ephesians 5:9: (For the fruit of the Spirit is in all goodness and righteousness and truth;)