TT #179 · Parashas Shoftim · Fourth Aliyah · Passuk 18:13
You shall be wholehearted with the Eternal your God.
Torah Temimah points to Sifrei Devarim 173.
TT lemma: עִם ה׳ אֱלֹהֶיךָ.
English: ‘With the Eternal your God’ – whatever comes upon you, accept in wholeheartedness.
Derash on acceptance (Sifrei) — wholeheartedness includes accepting the events of life without recourse to forbidden inquiry.
Wholeheartedness with Hashem means accepting what He sends without attempting to force knowledge of the future through prohibited means.