Do you mind explaining further?
Simple, what is foolish to God? Walking on water? Raising the dead? Resurrection? Killing a thousand men with the jawbone of an ass? Getting swallowed by a whale? The limit of ones faith or understanding is not a limit on God. While I do not posses the faith to walk on water, I do not doubt for a second Jesus can call me to do so, and even succeed where I will fail without him. I also would most likely fail, flailing around, getting into the flesh and looking at the waves. But again, that is a measure of me, not God.
Even so, just because I myself have never walked on water, how can I say it is impossible? Nothing is impossible with God. Not only can God do it. He can so condition me that I will be able to accomplish the task at the very moment he says "come". My measure of faith is not even needed. My obedience to take a step is all that is required. God's got it. He can do it on his own.
This is how I veiw the spiritual aspects of Christianity. How can I believe a man is a liar because he believes his wife was healed, when I believe Lazarus was raised from the dead? Where is the carnal logic when considering the spiritual aspects of God? I believe a women was impregnated by a Holy Ghost, and gave birth as a virgin, to the word of God manifest in the flesh in the personage of Jesus, the Christ. Is that crazy? Maybe a little wack a doddle in the carnal sense and to worldly logic? It makes no earthly sense at all. Yet am I to judge a man that believes in the demonic?
How do you reconcile Christianity if you cannot believe in spiritual matters? To me, I believe many people just simply do not have the faith, so they believe anyone who does must be delusional.