Galatians 4:15
Where is then the blessedness ye spake of? for I bear you record, that, if it had been possible, ye would have plucked out your own eyes, and have given them to me. Where is then the blessedness ye spake of? for I bear you record, that, if it had been possible, ye would have plucked out your own eyes, and have given them to me.
The Galatian believers felt deep sympathy for Paul. That sympathy was awakened by the impression made upon them by his letters. It ran so deep that they would have made even a great personal sacrifice on his behalf.