If a person started saying “sim shalom” at minchah(and the person davens nussach Ashkenaz) or at ma’ariv, he should continue the bracha with the nussach of sim shalom.
The passuk “And they traveled from the mountain of HaShem” is described by Chazal as a description of a sin. What sin?? Rashi, RamBan, and others explain that the people were not sufficiently sad at leaving the place where they experienced Divine revelation–rather, they were happy to leave,afraid that they would be “burdened” with even more mitzvos if they stayed.
When we leave Shul to “start our day”, how do we feel?