Once we develop the attitude that "I am love, the embodiment of love," then we need not wander in search of peace for peace will come in search of us.
Look at Nature. Nature is a book from which we must learn. Each object in it is a page of that book.
Where there is concentration, there is harmony. Happiness is derived from concentration of the mind. Whatever we focus on we will become that.
Spend each moment intensely focused on the spiritual goal of life. Take a pledge to put effort in this direction.
Our efforts to remove hatred and indifference from the world begin by trying to remove them from our own mind.