I second Treasury of David--maybe because it's the only one I've spent much time in, but more likely because it's Spurgeon + a plethora of Spurgeon-like citations...

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Laura
attending Old Peachtree PCA, GA

"...Christ comes to meet the despairing with new aid, who not only regenerates us by his Spirit that we may obey God, but makes also that our endeavor, such as it is, should obtain the praise of perfect righteousness." - Calvin