If the youths are immune to the effects of mental retardation, selfishness, disappointment, the sovereignty of carnal desires and humiliation, and on the other hand, the adult and elderly people cooperate with them and help them in the field of worshiping, educations, tolerance and respecting their personality and also assist them by introducing good role models and paving the way for their marriage, the history will change in a desirable way.
source : erfan.ir