The primary cause of unhappiness is never the situation but your thoughts about it.
Quotes from the book A New Earth by Eckhart Tolle
Sometimes letting go is an act of far greater power than defending or hanging on.
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About Eckhart Tolle
Eckhart Tolle ( EK-art TOL-ə; German: [ˈɛkhaʁt ˈtɔlə]; born Ulrich Leonard Tölle, 16 February 1948) is a German-born spiritual teacher and self-help author. His books include The Power of Now: A Guide to Spiritual Enlightenment (1997), A New Earth: Awakening to Your Life's Purpose (2005) and the picture book Guardians of Being (2009).