Galatians 6:11 - Clarke's commentary and critical notes on the Bible

Ye see how large a letter I have written unto you with mine own hand. Ye see how large a letter - There is a strange diversity of opinions concerning the apostle's meaning in this place. Some think he refers to the length of the epistle, others to the largeness of the letters in which this epistle is written, others to the inadequacy of the apostle's writing. It appears plain that most of his epistles were written by an amanuensis, and simply subscribed by himself; but the whole of the Epistle to the Galatians was written by his own hand. To say that the apostle was unskilled in Greek, and especially in the Greek characters, is in my opinion absurd. He was born in Tarsus, a city which, according to Strabo, rivaled both Athens and Alexandria in philosophy, and in arts and sciences; and therefore he could not be ignorant of a tongue which must have been the very means of conveying all this instruction. As to writing it, there was in his time nothing difficult, because the uncial character was that which was alone in use in those days, and this character is as easily made as the capitals in the Roman alphabet, which have been taken from it. I conclude, therefore, that what the apostle says must be understood of the length of the epistle, in all probability the largest he had ever written with his own hand; though several, much larger, have been dictated by him, but they were written by his scribe or amanuensis.