TT# 558 · Parashas Mishpatim · Passuk 23:17
Torah Temimah cites Chagigah 7a for TT# 558.
Sefaria — Exodus 23:17
Sefaria — Chagigah 7a
E-Daf — Chagigah 3a
English: “Appear” and “be seen”: just as one comes to see, so he comes to be seen; just as I am seen without cost, so you are to be seen without cost.
Derash from the unusual wording פְּעָמִים.
The wording “three times” is read through the language of “feet,” establishing the connection between the pilgrimage obligation and going by foot.