The formula course for eternal life is universal. It applies to grandfathers and grandmothers, as well as descendants thousands years later, and even to those who are in the spirit world now.

There is a gate that only those who lived for the sake of others can pass through, and you should understand that there are guards at the gate. Please understand well that what whatever I ask of you is to help you be able to pass through the gate. (203:193)