I desire to be present with you now
His meaning is, either that be wished he was personally present among them; that he had but an opportunity of seeing them face to face, and telling them all his mind, and in such a manner as he could not in a single epistle; or that they would consider him, when they read this epistle, as if he was really among them; and as if they saw the concern of his mind, the agonies of his soul, the looks of his countenance, and heard the different tone of his voice:
and to change my voice;
when present with them, either by a different way of preaching; that whereas before he preached the Gospel of the grace of God unto them, and his voice was charming to them like that of an angel, and even of Jesus Christ himself; but they having turned their backs upon it, and slighted it, he would now thunder out the law to them they seemed to be so fond of; even that voice of words, which when, the Israelites on Mount Sinai heard, entreated they might hear no more; as these Galatians also must when they heard the true voice of it, which is no other than a declaration of wrath, curse, and damnation; or by using a different way of speaking to them, as necessity might require, either softly or roughly, beseeching or chiding them, which might more move and affect them than an epistle could:
for I stand in doubt of you,
The Vulgate Latin reads it, "I am confounded in you"; and the Syriac, (hymtd) , "I am stupefied"; and to the same sense the Arabic. He was ashamed of them for their apostasy and degeneracy; he was amazed and astonished at their conduct; or, as the word may be rendered, be was "perplexed" on their account; he did not know what to think of them, and their state; sometimes he hoped well of them, at other times he was ready to despair; nor did he well know what course to take with them, whether to use them roughly or smoothly, and what arguments might be most proper and pertinent, in order to reclaim them.