And they said unto him, Thus says Hezekiah, This day is a day of trouble, and of rebuke, and of blasphemy: for the children have come to birth, and there is not strength to bring forth.
If you faint in the day of adversity, your strength is small.
And from the daughter of Zion all her beauty has departed: her princes have become like harts that find no pasture, and they have gone without strength before the pursuer.
In that day it shall be said to Jerusalem, Fear not: and to Zion, Let not your hands be weak.
Because he had been often bound with fetters and chains, and the chains had been wrenched apart by him, and the fetters broken in pieces: neither could any man subdue him.
Beat your plowshares into swords, and your pruninghooks into spears: let the weak say, I am strong.