“Though much of this research is new, the essential insight isn’t. Ancient philosophers and spiritual teachers understood the need to balance the positive with the negative, optimism with pessimism, a striving for success and security with an openness to failure and uncertainty. The Stoics recommende…”— Oliver Burkeman, nytimes.com
“The relentless cheer of positive thinking begins to seem less like an expression of joy and more like a stressful effort to stamp out any trace of negativity. A positive thinker can never relax, lest an awareness of sadness or failure creep in. And telling yourself that everything must work out is p…”— Oliver Burkeman, nytimes.com