Chapter 19 in Tehillim has two parts. The first part is about how the world testifies to the existence of G-d. The second half of this chapter talks about the importance of the Torah and its mitzvos. Chapter 20 in Tehillim is a prayer of Dovid's when his army went to war. We will see an important insight into what princeples Dovid held were important for his army. Chapter 21 in Tehillim tells about the relationship between G-d and the ideal King.
