Charles Spurgeon Commentary 2 Corinthians 6:11-12

"Our mouth is open unto you, O Corinthians, our heart is enlarged. Ye are not straitened in us, but ye are straitened in your own affections." — 2 Corinthians 6:11-12 (ASV)

If they were not saved, it was not because Paul did not open his mouth to speak to them, and to warn and invite them, nor because he did not open his heart and feel, in his very innermost being, the stirrings of a sacred compassion for them. Now, having thus poured himself out in his effort to bring them to Christ, he writes to those whom he had brought: