Parashas Yisro · Passuk 20:12
Chabad.org — English translation + Rashi
Torah Temimah points to Mechilta (verified).
Sefaria — Exodus 20:12
Sefaria — Mechilta
English: Any commandment whose reward is stated beside it — the court is not warned (to enforce it by flogging etc.).
In context: See the cited source for the full section.
Derash on the verse.
When Scripture places the reward next to the command, earthly courts refrain from corporal enforcement; the reward is left to God.