Many things will help in achieving true peace of mind but the most important of all, is, develop a profound sense of acceptance : for everything that happens to you in life, everything that may seem to have gone wrong or haywire. Whatever happens, learn to accept things as they are, accept the consequences of your actions and let it go if things go wrong. Just accept it. As it has already happened. The damage is done. It's in the past and you can't change it. Concentrate on the present and be content with whatever you have.
Moreover, learn to accept the bad along with the good, as it is, for all that is part of life. You should rejoice in all kind of feelings, for it makes you human. Seeking to being happy all the time will wear you out just as sadness does. You ought to strive for seeking a balance between all things and cherish the good memories while letting go of the negative ones. Learn to live in the moment. Don't think about the past if it was difficult. Don't think much about the future as it has not yet come. Always try to live in the moment. Notice the small, seemingly around you. Notice the beauty of nature, trees, birds, the laughter of an innocent child, the careless dogs lying in the street, the cheerful kids playing some sport, the conversations people are having, their joy, sorrow, love towards their friends, family or spouse. Learn to share their joy and sorrow. Be kind and helpful towards them and everyone you encounter. The joy of helping others would be a great catalyst in cultivating real, long-lasting peace. Get rid of all the distractions that come in the way of achieving this. Don't be addicted to your phone, social media or excessive partying, drinking, as they all major obstacles in the way to peace. You loose control , without you realizing it, and become obsessed with vanity, trying to impress people and comparing your life with others. Don't compare your life with others to see if they have more or less than us. To achieve peace, it shouldn't matter to you, in either case. Don't hold on to anger. Don't hold grudges. Don't get sad over trivial things. Don't hold on to guilt or remorse too long. Just Spend a little quiet time alone in , every now and then. Away from everyone and everything, just you and your thoughts. Reflect upon what you really want in life and how you could achieve it and also what should be important in your life and what shouldn't be. Spending time in solitude is a healthy way to analyze your life and to make necessary amendments. It brings a sense of calmness, a relief to your mind. You quickly forget about your worries and little problems. You find yourself accepting the shortcomings of life and concentrating on important things....... Your soul is so ethernal and pure may god grace you with all the happiness you want .... Amen