The Importance of Purifying Haram

My friend said look they think that they earn so much money by usurping it from me and deforting it from here. They have no capacity to enjoy the money that they made or they took. And I think that is a learning point for loads of Muslims that you might get money quickly but through bad practices or through haram sources. But that money is not going to help you in this life what is it going to do for you in the hereafter? It's better to have little halal than to have a lot that is haram. Sometimes Allah shows you how evil it is in this life. These anecdotes, the eye-opening in that regard. People should just purify that