Or as a hidden untimely birth - An early miscarriage, which was scarcely perceptible by the parent herself; and in this case he had not been - he had never had the distinguishable form of a human being, whether male or female.

As infants - Little ones; those farther advanced in maturity, but miscarried long before the time of birth.

an hidden.

Psalm 58:8 As a snail which melts, let every one of them pass away: like the untimely birth of a woman, that they may not see the sun.

1 Corinthians 15:8 And last of all he was seen of me also, as of one born out of due time.

A Prayer when one Begins to be Sick.
O most righteous Judge, yet in Jesus Christ my gracious Father! I, wretched sinner, do here return unto thee, though driven with pain and sickness, like the prodigal child with want and hunger. I acknowledge that this sickness and pain comes not by blind chance or fortune, but by thy divine providence and special appointment. It is the stroke of thy heavy hand, which my sins have justly deserved; and the things that I feared are now fallen upon me (Job iii. 25.) Yet do I well perceive that in wrath …
Lewis Bayly—The Practice of Piety

The Rich Sinner Dying. Psa. 49:6,9; Eccl. 8:8; Job 3:14,15.
The rich sinner dying. Psa. 49:6,9; Eccl. 8:8; Job 3:14,15. In vain the wealthy mortals toil, And heap their shining dust in vain, Look down and scorn the humble poor, And boast their lofty hills of gain. Their golden cordials cannot ease Their pained hearts or aching heads, Nor fright nor bribe approaching death From glitt'ring roofs and downy beds. The ling'ring, the unwilling soul The dismal summons must obey, And bid a long, a sad farewell To the pale lump of lifeless clay. Thence they are …
Isaac Watts—The Psalms and Hymns of Isaac Watts

The Poetical Books (Including Also Ecclesiastes and Canticles).
1. The Hebrews reckon but three books as poetical, namely: Job, Psalms, and Proverbs, which are distinguished from the rest by a stricter rhythm--the rhythm not of feet, but of clauses (see below, No. 3)--and a peculiar system of accentuation. It is obvious to every reader that the poetry of the Old Testament, in the usual sense of the word, is not restricted to these three books. But they are called poetical in a special and technical sense. In any natural classification of the books of the …
E. P. Barrows—Companion to the Bible