13. Is it a small thing?--Is it not enough for you
(Nu 16:9)?
The allusion to "David" is in order to contrast his trust in God
with his degenerate descendant Ahaz' distrust.
weary--try the patience of.
men--prophets. Isaiah as yet had given no outward proof that he was
from God; but now God has offered a sign, which Ahaz publicly rejects.
The sin is therefore now not merely against "men," but openly against
"God." Isaiah's manner therefore changes from mildness to bold reproof.
JFB.
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