Chase after money and security

and your heart will never unclench.

Care about people’s approval

and you will be their prisoner.

Do your work, then step back.

The only path to serenity.

Kasser, T., & Ryan, R. M. (1993). A dark side of the American dream: Correlates of financial success as a central life aspiration. Journal of Personality and Social Psychology, 65(2), 410–422.
Kasser, T., & Ryan, R. M. (1996). Further Examining the American Dream: Differential Correlates of Intrinsic and Extrinsic Goals. Personality and Social Psychology Bulletin, 22(3), 280–87.