Jesus Christ and God the Father are one and the same. That means that Jesus Christ is God. The term God means that He is the only self-sufficient being who is omnipotent, omniscient, and omnipresent. That means that Jesus Christ is everywhere at the same time. He also has authority and power over everything in existence. Their is nothing that can defeat Him. Omniscience means that Jesus Christ has perfect knowledge of everything from beginning to end. Their is nothing He does not know.
These scriptures are so important because it lets us know that Jesus Christ was a regular human being who wept, slept, walked, hungered, thirsted, and even physically died in the same manner that all other human beings experience those things. Although He was God, He was subject to the limitations and problems that all human beings experience. He was not some ghost or angel when He lived on this Earth. He is the only person who was God and man simultaneously.
This scripture lets us know that salvation comes through no one else, other than the Lord Jesus Christ. Salvation and forgiveness are not found in Buddah, Allah, Joseph Smith, transcendental meditation, the universe, horoscopes, or any other thing in existence.