In that day, it will be said to Jerusalem, "Do not be afraid," and to Zion, "Do not let your hands be weakened.
Other versions
King James Version
In that day it shall be said to Jerusalem, Fear thou not: and to Zion, Let not thine hands be slack. English Standard Version
On that day it shall be said to Jerusalem: "Fear not, O Zion; let not your hands grow weak.New International Version
On that day they will say to Jerusalem, "Do not fear, O Zion; do not let your hands hang limp.