If 'god' is a metaphysical term, then it cannot be even probable that a god exists. For to say that 'God exists' is to make a metaphysical utterance which cannot be either true or false. And by the same criterion, no sentence which purports to describe the nature of a transcendent god can possess any literal significance.
Science is about finding ever better approximations rather than pretending you have already found ultimate truth.
A casual stroll through the lunatic asylum shows that faith does not prove anything.
God is a too palpably clumsy answer; an answer which shows a lack of delicacy towards us thinkers-fundamentally, even a crude prohibition to us: you shall not think!
Religion is not a fractional thing that can be doled out in fixed weekly or daily measures as one among various subjects in the school syllabus. It is the truth of our complete being, the consciousness of our personal relationship with the infinite.
A clean confession combined with a promise never to commit the sin again, when offered before one who has the right to receive it, is the purest type of repentance.