en_tn/jhn/10/25.md

these testify concerning me

His miracles offer proof about him like a witness would offer proof in a court of law. Alternate translation: "these miracles offer proof concerning me" (See: rc://en/ta/man/translate/figs-personification)

not my sheep

AT: "not my followers" or "not my disciples" or "not my people" (See: rc://en/ta/man/translate/figs-metaphor)