Daniel
Daniel 10:19BSB·traditional attribution

“Do not be afraid, you who are highly precious,” he said. “Peace be with you! Be strong now; be very strong!” As he spoke with me, I was strengthened and said, “Speak, my lord, for you have strengthened me.”

John Calvin Reformed @genevareformer

He first explains how he recovered his spirits at the angel’s exhortation; for he refers to this encouragement as a command to be of good courage. Fear not, therefore, O man of desires The angel here addresses Daniel soothingly, to calm his fears, for he needed some enticement when oppressed with fear at both the words and aspect of the angel.

Matthew Henry Presbyterian @wholebiblehenry

Much ado here is to bring Daniel to be able to bear what Christ has to say to him. Still we have him in a fright, hardly and very slowly recovering himself; but he is still answered and supported with good words and comfortable words. Let us see how Daniel is by degrees brought to himself, and gather up the several passages that are to the same purport. I.

Commenting on Daniel 10:10-21

John Gill Reformed Baptist @doctorgill

And said, O man, greatly beloved,..... Or, "man of desires", as before, Dan 10:11, which shows it to be the same here speaking as there, and probably Gabriel: fear not; for a man has nothing to fear, from men or devils, that is beloved of the Lord; and especially from good angels, how glorious and majestic soever they are: peace be unto thee; all prosperity...