Health is the essence of happiness.

健康是幸福的本质。

youdao

Thus, the unconditional love we have for the people in our lives and they unconditional love for us is the essence of happiness.

因此，我们和生活中那些人之间的无条件的爱就是幸福的本质。

youdao

The pursuit of happiness has long been the dream of generations of human beings. They have always been puzzled by the essence of happiness.

对幸福的追求一直都是人类世世代代的梦想，尽管人类一直困惑于幸福的真谛。

youdao

The essence of happiness is that feeling of engagement with the world and with other people.

CNN: What really makes people happy

Something bold and sexy that reminds people about the underlying essence of the pursuit of happiness: its elusiveness.

FORBES: New American Slogan: Life, Liberty, and Love Triangles