Ezra 1:2

1:2 The Lord, the God of heaven. A title identifying the Lord as the supreme authority and power (5:12; 6:9, 10; 7:12, 21, 23; Neh. 1:4, 5; 2:4, 20; Dan. 2:18, 19, 37, 44; Jon. 1:9).

has given me . . . has charged me. Cyrus’s testimony to the sovereignty of God was probably a formality for him, since the Cylinder of Cyrus says similar things about other gods (1:3 note).

a house at Jerusalem. This “house” refers in the first place to the temple, but in the end will include the city of God and the people of God. The rebuilding of the “house” of God is a dominant theme in Ezra and Nehemiah (Introduction: Characteristics and Themes).