en_tn_condensed/act/22/19.md

General Information:

Here the word "they" refers to the non-believing Jews in Jerusalem.

Connecting Statement:

This ends what Paul was able to say to the crowd of Jewish people by the fortress.

they themselves know

The word "themselves" is used for emphasis. (See: rc://en/ta/man/translate/figs-rpronouns)

in every synagogue

Paul went to synagogues to find Jews who believed in Jesus.