Ecclesiastes 6:5

Moreover he hath not seen the sun, nor known any thing: this hath more rest than the other.

Cross-reference

Job 3:10-13 wishes for death at birth and rest, directly paralleling the stillborn's rest described here.

Psalm 58:8 Allusion

Psalm 58:8 uses the identical phrase 'untimely birth... that they may not see the sun', reinforcing the stillborn's fate.