“When you are seeking happiness through your action, you are always enslaved to the external situation.”
As long as you are enslaved to the external situation, you will always be in some level of suffering because the outside situation is never going to be hundred percent in your control.
Encounter the Enlightened (2001)
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Sadhguru 97
Yogi, mystic, visionary and humanitarian 1957Related quotes

“There is no need to seek external approval when you already have internal approval.”

Fernbank, London, England October, 1971
1970s
Variant: If you want external happiness, it can be an elusive desire. Internal happiness needs only to be revealed. It is not elusive because it is within you. It is your treasure. If you take someone else's treasure, it is stealing, but if you turn to your own, it is not. Happiness is your own treasure because it lies within you.

Variant: Don't seek happiness. If you seek it, you won't find it, because seeking is the antithesis of happiness. Happiness is ever elusive, but freedom from unhappiness is attainable now, by facing what is rather than making up stories about it. Unhappiness covers up your natural state of wellbeing and inner peace, the source of true happiness.
Source: A New Earth: Awakening to Your Life's Purpose

“Action may not always bring happiness but there is no happiness without action.”
Books, Coningsby (1844), Lothair (1870)
Variant: Action may not always bring happiness; but there is no happiness without action.

“Action may not always bring happiness, but there is no happiness without action.”