David was widely known for his exploits as a general, a king of the Jewish people, his unifying the Jewish nation, the killing of Goliath, and establishing Jerusalem as our capital.
These things are known in the sacred and as well as secular world. Yet how many folks do not know that David was one the great legal minds in all of Israel. David sat on Supreme court.
David was also a Torah scholar.
David spent dusk till dawn composing our prayer book Tehillim the book of Psalms as well studying the Talmud and Torah.
David is one of the important links in Jewish learning and he is responsible the way we Jews conduct our services.