Parashas Eikev · Passuk 11:19
and teach them to your children—reciting them when you stay at home and when you are away, when you lie down and when you get up;
Torah Temimah points to Yerushalmi קדושין.
TT lemma: את בניכם (unit 9 of 10).
English: “When you sit in your house” — this includes the study hall. “When you walk on the way” — this includes traveling merchants. The words of Torah should be fluent in your mouth: when a person asks you something, you should not stammer but answer at once, as it is said, “say to wisdom, you are my sister.”
Derash on the verse (Yerushalmi sugya) — not a formal named middah of the 13
Amoraic discussion in the Yerushalmi built on this passuk.
Torah is for the house and the road; readiness to answer without hesitation is part of “teaching them.”