Matthew 8:12

but the heirs to the kingdom shall be cast into the darkness without: there shall be weeping and gnashing of teeth.

Jude 1:13

raging waves of the sea, foaming out their own shame: wandering lights, to whom is reserv'd the thickest darkness for ever.

Treasury of Scripture Knowledge

Summary

Shall thy wonders be known in the dark? and thy righteousness in the land of forgetfulness?

Bible References

Dark

Matthew 8:12
but the heirs to the kingdom shall be cast into the darkness without: there shall be weeping and gnashing of teeth.
Jude 1:13
raging waves of the sea, foaming out their own shame: wandering lights, to whom is reserv'd the thickest darkness for ever.