So often, Christians explain their faith as something they believe without needing proof. They just love and fear God, therefore they believe. But true faith is the proof of things unseen, giving us hope and expectation.
And belief is the substance of what is expected, the proof of what is not seen. For by this the elders obtained witness. By belief, we understand that the ages were prepared by the word of Elohim, so that what is seen was not made of what is visible.
(Hebrews 11:1-3)
Watch this teaching by Don Esposito, taught from the Word of Yahweh, for a better understanding: