"Man thinks lightly of sin, but not so the Lord.
Man thinks lightly of grace, but not so the Lord.
Man trifles where God wonders.
Man forgets where God considers." (Source: Spurgeon's Sermon Notes)
Recommended reading:
The Conversion of Charles Spurgeon
The Forgotten Spurgeon, by Iain Murray
A Defense of Calvinism - by Charles Spurgeon
The Forgotten Spurgeon, by Iain Murray
A Defense of Calvinism - by Charles Spurgeon