So then faith cometh by hearing, and hearing by the word of God. So Jesus is the Word. 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 Ghost would teach us and bring remembrance in what ever we need as we need it. So faith is the substance of Hope and Faith comes by Jesus, as we have a close relationship with God via His Spirit, we understand Love.
Love is the greatest of the three.
How many of you could sacrifice your child for a person who killed another of your children, or raped you, or stole from you. I could go on, but you get the idea, of course none of us could. But God so loved us, you and me, that He sacrificed His own Son for you and me. Here is a story that I think describes it the best. A wealthy man and his son loved to collect rare works of art.