Malachi - 430BC
Malachi a prophet of God wrote about: peoples hearts of stone.
One of the three prophets after the exile. The other two were Haggai and Zechariah.
Malachi in Hebrew means: Messenger of Jah.
Background Reading:
Malachi 1:1-4:6
Malachi
1An oracle: The word of the LORD to Israel through Malachi...
Read the book of Malachi.