The whole movement of happiness, unhappiness, happiness, unhappiness, could be called unhappiness. You're suffering because your state of mind is in flux, moving back and forth. The ego's happiness is really a form of suffering, because it cannot live without unhappiness.
Eckhart TolleTo be identified with your mind is to be trapped in time: the compulsion to live almost exclusively through memory and anticipation. This creates an endless preoccupation with past and future and an unwillingness to honor and acknowledge the present moment and allow it to be. The compulsion arises because the past gives you an identity and the future holds the promise of salvation, of fulfillment in whatever form. Both are illusions.
Eckhart TolleFor many people, illness - loss of health - represents the crisis situation that triggers an awakening. With serious illness comes awareness of your own mortality, the greatest loss of all.
Eckhart TolleYou can enjoy the present moment, and you can be aligned with the doing. A different state of consciousness, then, is the foundation for what you do. Presence flows into what you do. Even though what you do may be the same, there is a fundamental difference: The energy that flows into what you do, although it may be high energy, is very peaceful energy. It is not out of alignment with life.
Eckhart Tolle