John Calvin,
Calvin's Commentaries—Complete…
“ Of every tree To the end that Adam might the more willingly comply, God commends his own liberality. `Behold,' he says, `I deliver into thy hand whatever fruits the earth may produce, whatever fruits every kind of tree may yield: from this immense profusion and variety I except only one tree.' Then, by denouncing punishment, he strikes terror, for the purpose of confirming the authority of the law. So much the greater, then, is the wickedness of man, whom neither that kind commemoration of the gifts of God, nor the dread of punishment, was able to retain in his duty. ”
