I was never taught blind faith

 I was never taught to have blind faith, I was taught that reasonable people could believe the central teachings of Christianity based on evidence. Here is C. S. Lewis: 

I am not asking anyone to accept Christianity if his best reasoning tells him that the weight of evidence is against it. That is not the point at which faith comes in. But supposing a man's reason once decides that the weight of the evidence is for it. I can tell that man what is going to happen to him in the next few weeks. There will come a moment when there is bad news, or he is in trouble, or is living among a lot of other people who do not believe it, and all at once his emotions will rise up and carry out a sort of blitz on his belief. Or else there will come a moment when he wants a woman, or wants to tell a lie, or feels very pleased with himself, or sees a chance of making a little money in some way that is not perfectly fair; some moment, in fact, at which it would be very convenient if Christianity were not true. And once again his wishes and desires will carry out a blitz. I am not talking of moments at which any real new reasons against Christianity turn up. Those have to be faced and that is a different matter. I am talking about moments where a mere mood rises up against it.

Now faith, in the sense in which I am here using the word, is the art of holding onto things your reason has once accepted, in spite of your changing moods. For moods will change, whatever view your reason takes. I know that by experience. Now that I am a Christian, I do have moods in which the whole thing looks very improbable; but when I was an atheist, I had moods in which Christianity looked terribly probable. This rebellion of your moods against your real self is going to come anyway. That is why faith is such a necessary virtue; unless you teach your moods "where they get off" you can never be either a sound Christian or even a sound atheist, but just a creature dithering to and fro, with its beliefs really dependent on the weather and the state of its digestion. Consequently one must train the habit of faith.

C.S Lewis