Reason well from the beginning and then there will never be any need to look back with confusion and doubt.
Yet even the rich have their own kind of suffering, anxiety, doubt, and fear. So in many cases, wealthy people aren't happy! And once those with material wealth encounter small difficulties, their amount of mental suffering is sometimes bigger than it is for those who have faced such difficulties every day.
Altruism is the best source of happiness. There is no doubt about that.
