the brook
Isaías 40:30
Even the youths shall faint and be weary, and the young men shall utterly fall:
Isaías 40:31
But they that wait upon the LORD shall renew their strength; they shall mount up with wings as eagles; they shall run, and not be weary; and they shall walk, and not faint.
Isaías 54:10
For the mountains shall depart, and the hills be removed; but my kindness shall not depart from you, neither shall the covenant of my peace be removed, says the LORD that has mercy on you.