Such as?
Such as ‘He lived a good life, in his next he will have an easier time of attaining enlightenment.’
The post WW II saying about the Japanese is that they are born as Shintoist, married as Christians and die as Buddhists.
Not buying the death and rebirth stuff myself, I can only report from afar that folks who do find Buddhist doctrines consoling at the time of death and at the death of a loved one.