HAG 2:4

4 Yet now chazak [(be strong)], O Zerubavel, saith Hashem; and chazak [(be strong)], O Yehoshua ben Yehotzadak, Kohen HaGadol; and chazak [(be strong)], kol Am Ha'Aretz, saith Hashem, and work; for I am with you, saith Hashem Tzva'os.