1)
What do we learn from "Es Kol ha'Shofar Shama"?
1.
Malbim: There is also a Musar in hearing the Shofar ? it arouses to Teshuvah. They used to sound the Shofar due to afflictions so the nation will repent from their sins. Due to this, it says, if he heard and was not careful to repent, "Damo Bo Yihyeh." Had he been careful, he would have saved his Neshamah from Gehinom.
2)
What do we learn from "v'Hu Nizhar Nafsho Nimlat"?
1.
Rashi: If he was careful, he saved his life.