Importance of Seriousness in Life - Power of Mental Strength

What is the importance of seriousness in life? How does it help in day-to-day life?
It seems like people have mental strength that can cure mental ailments like hyperactivity, worries & stress. How can one become mentally strong? Let's find out the power of mental strength and how one can develop it.

To know more, visit:

https://www.dadabhagwan.org/path-to-happiness/spiritual-science/ways-to-overcome-fear/be-free-from-fear-and-sufferings/