"Conversion by the Holy Spirit is a spiritual illumination of the soul. God's grace lights up the dark heart. And when a man has once been kindled at the cross of Christ, he is bound to shine."

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I do not see how a man can work on the frontiers of physics and write poetry at the same time. They are in opposition. In science you want to say something that nobody knew before, in words which everyone can understand. In poetry you are bound to say ... something that everyone knows already in words that nobody can understand. Commenting to him about the poetry J. Robert Oppenheimer wrote.

— Paul Dirac