NET
16 On that day they will say to Jerusalem, “Don’t be afraid, Zion! Your hands must not be paralyzed from panic!
Darby
16 In that day it shall be said to Jerusalem, Fear not; Zion, let not thy hands be slack.
KJV
16 In that day it shall be said to Jerusalem, Fear thou not: [and to] Zion, Let not thine hands be slack.