Kant, discussing the various modes of perception by which the human mind apprehends nature, concluded that it is specially prone to see nature through mathematical spectacles. Just as a man wearing blue spectacles would see only a blue world, so Kant thought that, with our mental bias, we tend to see only a mathematical world.
Ultimately our claim to know the one God only gains credence in the contemporary world as he demonstrates the divine presence through the way we live- through our lives as we connect our Christian belief with true Christian living.