ὃ σὺ μισεῖς ἑτέρῳ μὴ ποιήσεις → don't do to others what you don't want them to do to you
3ᵉ sg. sbj. ao.2 de ἵστημι.
στῇ: 3 л. sing. aor. 2 conjct. к ἵστημι.