As humans we are constrained by time. The passing of one year to the next is something entirely out of our control—all we can do is mark dates and recognise milestones. The only constant from one generation to the next is God. He is outside of time, because time is something that He created. The amazing thing is that as He stands outside of time and remains entirely unaffected by the passing of moments and millennia, He has chosen to make Himself a safe haven for sinful creatures vulnerable to change and decay. This thought was a tremendous comfort to Moses, the man of God, in his prayer to God in Psalm 90. David Dickson in this updated extract identifies the four sources of comfort that Moses draws from God’s unchangingness and unchangeableness for sinners who are reconciled to Him, especially when they may be wrestling with the swift passage of time and difficulties and sorrows in life.

It is sin that has procured the shortness and the miseries of this life, as Moses lamentably sets out before the Lord, who is full of pity. But his prayer opens with a fourfold comfort for the church against temporal troubles and this world’s miseries.

1. The Lord’s Kindness to His People in All Ages

The first comfort is drawn from the Lord’s kindness to His people in all ages. “Lord, thou hast been our dwelling place in all generations” (Psalm 90:1)

When we pray therefore, we must lay hold on the offer of God’s kindness according to the covenant of grace, and look on God as gracious to us in Christ. Moses here, and others elsewhere, when they come as supplicants in prayer they begin with renewed acts and expressions of faith.

God’s people in any given place and age are one body with God’s people in all ages preceding and following. They may lay claim to all the privileges of God’s people before them. Here the church in Moses’ time joins itself with all the Lord’s people in former times, for the use of succeeding ages which were yet to come. “Lord, thou hast been our dwelling place in all generations.”

The Lord’s people are strangers in the earth, partly because they have no certain residence in this world, and partly because they have such a poor reception among the people of the world, but especially because at heart, in their affections, they are pilgrims in this world. However, this does not mean they lack a resting place. They have a dwelling in heaven, that is, God Himself, in whom they dwell by faith. They find in Him rest, and food, and protection, and comfort. In fact, in His heart they have had a lodging “in all generations.”

The troubles and miseries of this life make the godly to search out what participation they have in God, and another life. What pinches them on earth makes them seek their abundance in heaven.

2. The Decree of the Eternal Covenant

The second comfort of the believer against the miseries of this short life is taken by Moses from the decree of their election and the eternal covenant of their redemption, settled in the purpose and counsel of the blessed Trinity for their advantage. In this covenant it was agreed before the world existed that the Word to be incarnate would be the Saviour of the elect. Moses says, “Before the mountains were brought forth, or ever thou hadst formed the earth and the world, even from everlasting to everlasting, thou art God” (verse 2).

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