Santosha (Contentment — Yoga Sutras)
Santosha (contentment) as the second Niyama — the deliberately cultivated acceptance of present circumstances that produces supreme happiness.
Santosha is one of the five Niyamas (personal observances) in Patanjali's system. Where the Yamas are restraints from external action, the Niyamas are internal cultivations. Santosha is the cultivation of contentment: not passive resignation but the active recognition that this moment, as it is, contains everything necessary for genuine happiness. Sutra 2.42 makes the extraordinary claim: 'santoshad anuttamah sukha labhah' — from contentment, the highest happiness is obtained. The 'highest happiness' here is not the happiness of pleasant circumstances but the happiness of a mind that is no longer at war with reality — a mind that rests in the present rather than straining toward a preferred future. This is happiness unconditioned by circumstances, which makes it both more reliable and more profound than any pleasure that depends on getting what one wants.
From contentment, the highest happiness is obtained.
Happiness researcher Daniel Gilbert's research on affective forecasting (Stumbling on Happiness) confirms Patanjali's insight: humans consistently overestimate how much they will gain in happiness from obtaining desired objects, because the mind adapts rapidly — suggesting that happiness truly resides in the quality of contentment rather than in the acquisition of what is desired.
Yoga Sutras of Patanjali