If you don't waste your energy on variables you cannot influence, you can focus much more effectively on those you can. (Mark Epstein)
About This Quote
About Dan Harris, 10% Happier: How I Tamed the Voice in My Head, Reduced Stress Without Losing My Edge, and Found Self-Help That Actually Works
Dan Harris, 10% Happier: How I Tamed the Voice in My Head, Reduced Stress Without Losing My Edge, and Found Self-Help That Actually Works.