Knowledge is consistently superior to faith and expected to remove the need for it, though, or even to dissolve it entirely
Since all we can really know is the past; and since the past can often be a poor source from which to judge what is in the future; and since the future is where we are going and is therefore infinitely more important than the past - I submit that faith is a far superior attribute than knowledge. Knowledge (the valuable kind) is almost always a by product of faith. Therefore without faith there can be no knowledge. If no one had the faith to start a business we would never understand / know how businesses work. The default position is always that of no knowledge. And only those with faith can ever attain knowledge. Therefore if I take two people: the one has faith and the other has knowledge but no faith. Who would you rather be? I would rather be the person without knowledge and with lots of faith. The man with faith will in time gain knowledge until he is on equal footing with the man with knowledge. Thereafter he will begin to exceed the man with knowledge as he gains more using his faith. While the man without faith will forever remain with that knowledge he had and no more. Note also that the knowledge of the man with no faith may one day become outdated and irrelevant.
Therefore, for beings who are not omniscient, faith is always required.
But there is another aspect of faith which gives us the conclusion that even an all knowing being needs to have faith. Faith is a principle of action. One does not simply have faith one also exercises faith. What does this mean? Take two people again. Both know (let us assume they know) that if they plant they will have food in a few months. This knowledge does not mean they will have food in a few months. They have to act on their knowledge in order reap the rewards. And so it is with all aspects of life for all intelligent beings regardless of their level of knowledge. They have to be willing to act in order for what they know, think they know or simply believe in to come to pass.
When the Bible speaks of faith as a saving principle it is almost always this aspect of faith of which they are speaking. God is not too impressed if you simply believe he exists. His existence is not dependent on our belief. What he is interested in is whether we are willing to keep his commandments. If we are willing to keep his commandments then he can save us. If not he cannot - because he cannot deny his word.
Faith is not "all we have to operate by". There is such a thing as actual knowledge, even direct experience.
To address this statement I will make one final point about faith and knowledge. After Newton developed the laws of motion it was assumed by those of his day and afterwards that they knew how objects (all objects) interact with each other with regards to the relationships between speed, direction, force and energy. Extensive experimentation had been done and people were sure this is how ALL objects behaved. But some years later we ran into quantum physics. We start dealing with very large and very small and very fast objects. Suddenly the old axioms were not holding. New formulas had to be developed. Suddenly it was no longer correct to say Newtonian formulas describe how objects move. Suddenly we had to qualify exactly what kind of objects in what kinds of situations the Newtonian formulas and theorems hold.
If people can think they have knowledge and it can turn out that what they knew is not true then it begs the question: what is knowledge? I will tell you what knowledge is not (especially when dealing with human beings):
knowledge is not truth.
I may satisfy myself all I want that I know something. But there always remains a possibility that somewhere somehow my reasoning process went awry or there were some facts I was not aware of when I came to my conclusion.
Thus, even when I "know" I simply believe. "Knowing" is just my way of saying how strongly I believe in something or how much evidence I believe I have in support of my conclusion. But I don't truly know anything - at least not with regards to something that has not already happened.