"It may be that [Satan] also wonders at their happiness. He feels within himself a seething sea of misery. There is an unfathomable gulf of anguish within his soul. And when he looks at believers, he sees them quiet in their souls, full of peace and happiness, and often without any outward means by which they should be comforted, yet rejoicing and full of glory...He admires and hates the peace which reigns in the believer's soul." (From Spurgeon's sermon, Satan Considering the Saints).
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