Like burning coals of fire - The whole substance appeared to be of flame; and among them frequent coruscations of fire, like vibrating lamps, often emitting lightning, or rather sparks of fire, as we have seen struck out of strongly ignited iron in a forge. The flames might be something like what is called warring wheels in pyrotechny. They seemed to conflict together.

Ezekiel 1:7 And their feet were straight feet; and the sole of their feet was like the sole of a calf's foot...

Genesis 15:17 And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace...

Psalm 104:4 Who makes his angels spirits; his ministers a flaming fire:

Daniel 10:5,6 Then I lifted up my eyes, and looked, and behold a certain man clothed in linen, whose loins were girded with fine gold of Uphaz...

Matthew 28:3 His countenance was like lightning, and his raiment white as snow:

Revelation 4:5 And out of the throne proceeded lightning and thunder and voices: and there were seven lamps of fire burning before the throne...

Revelation 10:1 And I saw another mighty angel come down from heaven, clothed with a cloud: and a rainbow was on his head...

Revelation 18:1 And after these things I saw another angel come down from heaven, having great power; and the earth was lightened with his glory.

This State of Prayer not one of Idleness, but of Noble Action, Wrought by the Spirit of God, and in Dependence Upon Him --The Communication Of
Some people, hearing of the prayer of silence, have wrongly imagined that the soul remains inactive, lifeless, and without movement. But the truth is, that its action is more noble and more extensive than it ever was before it entered this degree, since it is moved by God Himself, and acted upon by His Spirit. St Paul desires that we should be led by the Spirit of God (Rom. viii. 14). I do not say that there must be no action, but that we must act in dependence upon the divine movement. This …
Jeanne Marie Bouvières—A Short Method Of Prayer And Spiritual Torrents

Covenanting Enforced by the Grant of Covenant Signs and Seals.
To declare emphatically that the people of God are a covenant people, various signs were in sovereignty vouchsafed. The lights in the firmament of heaven were appointed to be for signs, affording direction to the mariner, the husbandman, and others. Miracles wrought on memorable occasions, were constituted signs or tokens of God's universal government. The gracious grant of covenant signs was made in order to proclaim the truth of the existence of God's covenant with his people, to urge the performance …
John Cunningham—The Ordinance of Covenanting

An Advance Step in the Royal Programme
(Revelation, Chapters iv. and v.) "We are watching, we are waiting, For the bright prophetic day; When the shadows, weary shadows, From the world shall roll away. "We are watching, we are waiting, For the star that brings the day; When the night of sin shall vanish, And the shadows melt away. "We are watching, we are waiting, For the beauteous King of day; For the chiefest of ten thousand, For the Light, the Truth, the Way. "We are waiting for the morning, When the beauteous day is dawning, We are …
by S. D. Gordon—Quiet Talks on the Crowned Christ of Revelation