Human strength is for those who function independently in the exterior world. It is difficult for the strong and resourceful to know and be led by Me.
James 4:13-16 Come now, you who say, “Today or tomorrow we will go to such and such a city, spend a year there, buy and sell, and make a profit”; whereas you do not know what will happen tomorrow. For what is your life? It is even a vapor that appears for a little time and then vanishes away. Instead you ought to say, “If the Lord wills, we shall live and do this or that.” But now you boast in your arrogance. All such boasting is evil.
Isaiah 57:15 For thus says the High and Lofty One Who inhabits eternity, Whose Name is Holy: “I dwell in the high and holy place, with him who has a contrite and humble spirit.”
John 15:4 Abide in Me, and I in you. As the branch cannot bear fruit of itself, unless it abides in the vine, neither can you, unless you abide in Me.
John 15:5 Without Me, you can do nothing.
2 Corinthians 12:9 He said to me, “My grace is sufficient for you, for My strength is made perfect in weakness.”
2 Corinthians 12:10 For when I am weak, then I am strong.