Rami bar Tamri, a traveler from another town, engaged in behavior contrary to local custom and apparently contrary to Jewish law. He was brought before R. Hisda. After inquiring into several other matters, R. Hisda asked Rami bar Tamri why his coat was missing tzitzit [required ritual fringes].
[Rami] replied. ‘The coat is borrowed, and Rab Judah has said. A borrowed coat is, for the first thirty days, exempt from the zizith.’ While this was going on a man was brought in [to the court] for not honouring his father and mother. They bound him [to have him flogged], whereupon [Rami] said to them. ‘Leave him alone, for it has been taught. Every commandment which carries its reward by its side does not fall within the jurisdiction of the Court below.’** Said [R. Hisda] to him. ‘I see that you are very sharp.’ He replied. ‘If only you would come to Rab Judah’s school I would show you how sharp I am!’
— Babylonian Talmud, Chullin 110a-110b
**The commandment to honor parents is listed with its reward “by its side”: “Honour thy father and thy mother, that thy days may be long upon the land which the LORD thy God giveth thee.” (Exodus 20:12)
Leaving for another day’s discussion the relationship of tzitzit, commandment and reward…