"Those who restrain their desires, do so because theirs is weak enough to be restrained"

This quote by William Blake suggests that those that are able to manage their wishes are doing so because their wishes are not solid sufficient to subdue them. This suggests that those who have the ability to control their wishes have a specific level of self-discipline and also self-control that allows them to stand up to lure. It also implies that those who are unable to manage their desires have a more powerful need that is as well effective to be restrained. This quote encourages people to pursue self-control as well as to be aware of their own desires as well as exactly how they can be managed. It additionally functions as a tip that it is possible to control one's needs, even if they are solid, and that it is a sign of strength to be able to do so.