Was first-century Jerusalem really crawling with prostitutes, as Jesus’ saying about tax collectors and harlots entering the Kingdom of God seems to suggest?
The Torah in the Sermon on the Mount

Neither in his personal conduct, nor in the Sermon on the Mount, did Jesus consider himself to be superior to the Torah’s commandments.
The Didache and its Relevance for Understanding the Gospel of Matthew

In this article, Professor Huub van de Sandt introduces readers to the fascinating treatise called the Didache, and discusses how this early Christian document, which was based on an earlier Jewish source, helps us understand the Gospel of Matthew.
The Decalogue and the New Testament

Professor Flusser examines references to the Decalogue in ancient Jewish sources and the New Testament. In light of this comparison, Jesus’ Sermon on the Mount does not merely present a utopian ideal, but rather an outline of practical behavior.