First of all -why faith?

But maybe it would be worth clarifying what faith God is actually calling us to!
First – why faith? Would it not be possible for Christianity to function without faith? Not really… The Christian faith – and we know this very well – is not a belief that God exists. There is plenty of evidence and clues to the existence of God, and therefore Claude Tresmontant [the Tremontan Code] can really speak of the fact that God and His existence are certainty.
On the other hand: trusting God is something completely different. And this is what Christianity is all about. We know that Heaven is not a place “up there” somewhere, but it is a state of deification. God is Love, and therefore deification means becoming Love. Heaven itself is actually a great community in which God and I are one, and the essence of this unity is precisely that love. And can you imagine love without trust ???
To love another – that is, to give yourself completely to him, to open up to him and become vulnerable to him, and in fact defenseless and powerless. It’s like accepting someone into your house, giving them the keys to all the doors, revealing the alarm password, and pointing out all the secret hiding places where your valuables are hidden. By this acceptance, you have given the other the opportunity to fully participate in everything you have, to enjoy everything. But the price is that you become defenseless against him. If he decides to rob you, or hurt you, or to cheat you or otherwise hurt you – he will succeed! You have given him the means to do so!
Vulnerability is the essence of community. That’s why we don’t create normal communities! We don’t want to be vulnerable. And why? Perhaps because we would not want to: finally put off all our pretense, turn off all vigilance and defense for a moment, and experience the experience of love and sharing that we so long for in the depths of our hearts, whether we admit it or not? Not that. We are afraid of the community because we are afraid of being vulnerable. And we are afraid of vulnerability because we don’t trust the other! And therefore – figuratively speaking – we accept the other only in the tidy living room: we let him go where we want (but we don’t let him into most things and valuables), we show what we want (but we don’t show most) and we keep the keys and alarm code to ourselves… We got so a guest visiting – but not a brother in the community!
Or there is communion with God. It is necessary for us to be able to surrender completely and unconditionally to God in love. Jesus says very clearly: “The first (commandment) is this: Hear, O Israel, the Lord our God is the one Lord. 30 Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind, and with all thy strength ”(Mark 12:29). And Paul expresses this momentum of surrender by saying, “You are Christ’s and Christ’s God” (1 Corinthians 3:23). This love, in which we completely surrender to God and become freely and voluntarily defenseless and vulnerable to him, then opens us to the same love – and therefore vulnerability – towards our brothers and sisters. Exactly according to Jesus’ words: “to love one’s neighbor as oneself” (Mark 12:33). That is, if I treat myself to the house where I live, I will give it to my brother and share it with him. If I give myself the key to my house, I will give it to my brother, whom I love. Exactly according to the Bible: “All who believed were together and had all thing’s in common” (Acts 2:43b). That, too, is the essence of Heaven!
This love of people is awakened in us by the communion of love with God. But is this love – and the associated vulnerability and helplessness – possible without trust in God? Definitely not! And that is why God sometimes leads us in a very dark and blind way to complete trust!
But now let’s take a better look at the qualities of this faith! And – understandably – the best guide will be the one who is called by God’s very word the “father of believers”: Abraham. Let’s look at one of his stories of faith:
1 After these things, God tested Abraham and said to him, “Abraham!” He answered, “Here I am.” 2 And he said, “Take your son, your only son Isaac, whom you love, and go to the land of Moria. Their sacrifice him there as a burnt offering upon one of the mountains which I will show you. Then he went to the place God had given him. 4 And it came to pass on the third day, that Abraham lifted his eyes, and saw the place afar off. 5 Then Abraham said to his servants, “You stay here with the donkey, and I and the boy will go there. We will pray and return to you. ”6 And Abraham took the wood of the burnt offering, and laid it upon his son Isaac; he took fire and a knife himself, and so they both went together. 7 And Isaac said unto Abraham his father, Father, he said unto him, Behold, I am here, my son. And he said unto him, There is wood and fire for a burnt offering: but where is a lamb for a burnt offering? 8 And Abraham said unto him, My son, God will now provide a lamb for a burnt offering. And the two went on thither. 9 And when they came to the place which God had appointed unto him, Abraham built an altar there, and laid the wood, and bound Isaac his son, and laid it on the wood altar. 10 Then Abraham reached out and took a knife to kill his son. 11 Then the angel of the Lord called to him from heaven, saying, “Abraham, Abraham!” He answered, “Here I am.” For now, I know that you fear God and have not spared your only son for my sake ”(Gen. 22: 1-12).
Abraham’s faith has several essential features here:• CONSCIOUSNESS – NO FEELING!