According to the Hadith, what characteristics
does the true believer possess?

1:-They believe in Allah and have no doubts about His existence and sovereignty; they are deeply conscious of His presence. They believe in His messengers and scriptures, and are certain about the reality of the hereafter.

2:-They devote their worship to Allah alone.

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.