"Now faith is confidence in what we hope for and assurance about what we do not see."
Christians are often accused of having blind faith: believing in God no matter what, without weighing the evidence for doing so. Agnostics and atheists maintain that belief in God is foolish because it cannot be proven through the scientific process. God cannot be seen, heard, touched, smelled, or tasted...so "he" must not exist. Do the doubters and naysayers have a point? Do we believe just because that's what we are "supposed" to do?
The reality is doubt and skepticism about Jesus is nothing new. Even when He walked the earth, many claimed that Jesus was a fraud, a liar, an imposter. The only major hurdle they had in disproving Jesus' credibility was the miracles He performed. How could an average person heal the blind, raise the dead, and feed thousands with a sack lunch? Their objections were silenced by the countless lives that were transformed by the Gospel. The skeptics demanded proof of Jesus' claims about Himself, but Jesus' followers had all the proof they needed--changed hearts and lives.
Man is determined to operate by his own set of rules. Trying to fit God into a man-sized box will never work. If God could fit in such a box, would He then not cease to be God? While man is intent on applying human logic to spiritual matters, God operates in a greater reality (see Isaiah 55:8-9). How do we understand this reality? How can we access it? The answer is simple. By faith. There are some things that just cannot be explained, some things that will never make sense to those who do not have faith. But to those who know Christ and have experienced the life-changing power of the Gospel, we do not have to explain it. Our lives are the proof of his existence. It's not that we ignore the reality of this world, but rather we just live by faith in a greater reality for the world to come.