John Ronald Reuel Tolkien. The Lord Of The Rings (№ 144924)

Only treacherous says goodbye, seeing the darkness ahead, - said Gimli.
- Maybe, said Elrond. But if he swears not to stand in the darkness of one who has never seen a night!
- Word of the vow can strengthen the wavering, - agreed Gimli.
- Or break it ' said Elrond.