certainly know that , 01_GEN_43:07 And they said, The man asked us straitly of our state, and of our kindred, saying, [Is] your father yet alive? have ye [another] brother? and we told him according to the tenor of these words: could we certainly know that he would say, Bring your brother down? , certainly know that , 24_JER_13:12 Therefore thou shalt speak unto them this word; Thus saith the LORD God of Israel, Every bottle shall be filled with wine: and they shall say unto thee, Do we not certainly know that every bottle shall be filled with wine? ,