Rabbi Elazar begins by saying that God and all His hosts pay attention to whoever speaks the words of the Torah because the Torah is so loved by Him. Whoever performs one precept of the Torah causes it to awaken above; this makes peace above and below. Rabbi Elazar says that people are to rejoice only when they are in the Holy Land, but not when they do not live there. Rabbi Aba adds that one may rejoice only when Jerusalem is in a state of happiness, but never when Yisrael is in exile. We learn of why Hashem should be served with gladness and yet also with fear and trembling.