Others say: "which I did not command": This refers to the son of Meisha the king of Moav (viz. II Kings 3:27); "and which I did not speak": This refers to the daughter of Yiftach (viz. (Judges 11:31-40); "and which never entered My heart": This refers to Isaac, the son of Abraham (viz. Bereshith 22).
(Devarim 17:4) "And it be told to you, and you hear, and you search it out well": And elsewhere (Ibid. 13:15) it is written "And you shall inquire, and you shall search out, and you shall ask well," and elsewhere (Ibid. 19:18) "And the judges shall inquire well." "well" - "well," for a gezeirah shavah (identity). We are hereby taught that he is examined with seven chakiroth (cross-examinations). This tells me only of chakiroth. Whence do I derive (the same for) bedikoth (examinations)? From (13:15, 17:4) "and, behold, true and correct is the thing."