Summary: personal pronouns and reflexive pronouns

You already know the personal pronouns and the reflexive pronouns. In the first- and second-person singular and plural, the personal pronouns and the reflexive pronouns are identical. There are differences only in the third-person singular and plural.
Take another look at the differences.


Accusative:
Max und Tarek forgot the anniversary. Nico reminds them about it:
Nico erinnert sie an das Jubiläum. (The subject is not identical to the accusative object.)

Max und Tarek have not forgotten the celebration. Max und Tarek remember it:
Max und Tarek erinnern sich an das Jubiläum. (The subject is identical to the accusative object.)

Dative:
Nico is looking for a job. Tarek hopes that he finds a job soon:
Tarek wünscht ihm viel Erfolg. (The subject is not identical to the dative object.)

Nico has a birthday soon. Nico would like to have a party:
Nico wünscht sich eine Party mit vielen Gästen – besonders mit Selma! (The subject is identical to the dative object.)