What are the connotations of "Pen Tashchisun"?
Rashi: Refer to 6:11:1:1*.
And what are the connotations of the words "u'Lema'an Yitav lach ... "?
Ramban (Shmos 20:12) and Seforno: "Lema'an Ya'arichun Yamecha" refers to Olam ha'Ba (The world which lasts a long time), it means that Hashem will also reward Kibud Av ... with a good life 1 in this world in the land ... . 2