thou must do # 44_ACT_09_06 # And he trembling and astonished said, Lord, what wilt thou have me to do? And the Lord [said] unto him, Arise, and go into the city, and it shall be told thee what thou must do. 
thou must do # 20_PRO_19_19 # A man of great wrath shall suffer punishment: for if thou deliver [him], yet thou must do it again.