Behold, I... - By 'signs and wonders,' here, it is meant that they, by the names given them, were intended to teach important lessons to the Jewish people. Their names were significant, and were designed to illustrate some important truth; and especially the prophet here intimates that they were to inculcate the truth in regard to the presence and protection of God, to induce the people to look to him. Thus the name immanuel, 'God with us,' Isaiah 7:14; and Shear-jashub, 'the remnant shall return,' Isaiah 7:3, were both significant of the fact that none but God could be the protector of the nation. And in like manner, it is possible that his own name, signifying the salvation of Jehovah, had been given him with such a reference. But at all events, it was a name which would remind them of the truth that he was now inculcating, that salvation was to be found in Yahweh, and that they should look to him. Names of children were often thus emblematic (see Hosea 1:1-11); and the prophets themselves were regarded as signs of important events; Ezekiel 24:24; compare the note at Isaiah 20:3. This passage is quoted with reference to the Messiah in Hebrews 2:13.

Which dwelleth in mount Zion - Mount Zion was the residence of the house of David, or of the court, and it was often used to signify Jerusalem itself. The sense here is, that God was the protector of Jerusalem, or regarded that as his home; see the note at Isaiah 1:8.

Isaiah 8:18 Parallel Commentaries

The Coming of a Deliverer
Through the long centuries of "trouble and darkness" and "dimness of anguish" (Isaiah 8:22) marking the history of mankind from the day our first parents lost their Eden home, to the time the Son of God appeared as the Saviour of sinners, the hope of the fallen race was centered in the coming of a Deliverer to free men and women from the bondage of sin and the grave. The first intimation of such a hope was given to Adam and Eve in the sentence pronounced upon the serpent in Eden when the Lord declared …
Ellen Gould White—The Story of Prophets and Kings

"But if we Walk in the Light, as He is in the Light, we have Fellowship one with Another, and the Blood of Jesus Christ His
1 John i. 7.--"But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin." Art is the imitation of nature, and true religion is a divine art, that consists in the imitation of God himself, the author of nature. Therefore it is a more high and transcendent thing, of a sublimer nature than all the arts and sciences among men. Those reach but to some resemblance of the wisdom of God, expressed in his works, …
Hugh Binning—The Works of the Rev. Hugh Binning

The Wicked Husbandmen.
"Hear another parable: There was a certain householder, which planted a vineyard, and hedged it round about, and digged a winepress in it, and built a tower, and let it out to husbandmen, and went into a far country: and when the time of the fruit drew near, he sent his servants to the husbandmen, that they might receive the fruits of it. And the husbandmen took his servants, and beat one, and killed another, and stoned another. Again, he sent other servants more than the first: and they did unto …
William Arnot—The Parables of Our Lord