Then he said, "Hear now, O house of David! Is it a small thing for you to weary men, but will you weary my God also?
Isaiah 7:13
Surrounding context
7:12 But Ahaz said, "I will not ask, nor will I test the LORD!"
7:13 Then he said, "Hear now, O house of David! Is it a small thing for you to weary men, but will you weary my God also?
7:14 Therefore the Lord Himself will give you a sign: Behold, the virgin shall conceive and bear a Son, and shall call His name Immanuel.