Points and Bible verses
The inner man
1 Peter 3:3-4 says if you are adorning, don't let it be that outward adorning like plaiting the hair, and of wearing of gold, or putting on apparel; just let it be the hidden man of the heart, the one that is not corruptible, even the ornament of a meek and quiet spirit that is in the sight of God of great price.
Outward man perishes
2 Corinthians 4:16 For which cause we don't faint; although our outward man perish, yet the inward man is renewed everyday.
It's outward man that gets weak, it diminishes everyday
Doing the will of God is the food of inner man, when you go the will of God, you would keep getting strong inner.
Hebrews 3:17 says With whom was he grieved forty years? was it not with those that had sinned, whose carcases has fell in the wilderness?
St. John 3:16 says God loved the world so much, till extend that He gave his only begotten Son to us, but it is whosoever that believe in him would not perish, but have everlasting life.
According to the Bible, Jesus is the way, so you should accept Him, believing in him means accepting Him, if you don't receive Him now, she would not be alive with you
Ephesians 3:17 say That Christ may dwell in our hearts by faith; that we, being rooted and grounded in love,
So the relationship in John 3:16 and Ephesians 3:17 makes is meaningful; you have to believe in Lord Jesus Christ so He would dwell in your heart and it can happen by faith because it's through faith that Christ dwell in you and the result is everlasting life, you won't die, if your outward man die, then your inner man shouldn't die because it's been dwell in.
Our inner man gets stronger and renew day by day because there is a hidden man that Christ dwell in, which is your heart.
If food makes outer man stronger, it's not food that makes inner man or hidden man in the heart stronger, it's Christ that dwell in it.
In St. John 6:17 they entered into a ship, and went toward Capernaum, it was now dark, and Jesus didn't come to them., but in verse 35, Jesus to them that He is the bread of life: anyone that cometh to Him shall never hunger; and he that believeth in Him shall never thirst.
In 1 Timothy 1:12, Apostle Paul was thanking Christ Jesus our Lord, who hath enabled him, for that he counted him faithful, putting Him into the ministry;
In John 15:5, Jesus Christ is telling us that He is the vine, we are the branches: anyone that abideth in Him, and Jesus in the person, the same bringeth forth much fruit: because without Him we can do nothing.
If Christ dwell in you, you won't go hungry because He's food himself, the important thing is Christ remain in us in faith, that is the important thing we should maintain.
Christ is Complete, He's a complete meal, just like Multivitamins, all you need in have faith in Him.
Colossians 2:3 confirm that it's in Christ that all the treasures of wisdom and knowledge are hid.
Ephesians 6:10 is giving us advice to be strong in the Lord, and in the power of His might. While verse 3 says so that it may be well with us, and we may live long on the earth.
If you are still searching from Christ you will always go back to what God said in John 3:16
In Revelation 7:13-17 Apostle John say one of the elders answered him, saying what are these things that are arrayed in white robes? and when did they come? And John said to him that; Sir, thou knowest. And he said to John, These are those that came out of great tribulation, and they have washed their robes, and made them white in the blood of the Lamb.
Revelation 7:15 Therefore are they before the throne of God, and serve him day and night in his temple: and he that sitteth on the throne shall dwell among them.
Revelation 7:16 They shall hunger no more, neither thirst any more; neither shall the sun light on them, nor any heat.
Revelation 7:17 For the Lamb which is in the midst of the throne shall feed them, and shall lead them unto living fountains of waters: and God shall wipe away all tears from their eyes.
Lesson
Inner man's ability or power is unlimited, it doesn't weak if you didn't go against the will of God, if you keep obeying or keeping the commandments of God, the inner man would keep increasing in power, even outward man that.
When Bro Daniel says you won't go hungry if Christ dwell in you, it means your inner man won't go hungry, your outer man would always need food to grow.