An open mind is a prerequisite to an open heart.

Almost always, genes are about potentials and vulnerabilities rather than about determinism.

I had never planned to become a savanna baboon when I grew up; instead, I had always assumed I would become a mountain gorilla.

Most people who do a lot of exercise, particularly in the form of competitive athletics, have unneurotic, extraverted, optimistic personalities to begin with. (Marathon runners are exceptions to this.)

Depression is not generalized pessimism, but pessimism specific to the effects of one's own skilled action.

If I had to define a major depression in a single sentence, I would describe it as a "genetic/neurochemical disorder requiring a strong environmental trigger whose characteristic manifestation is an inability to appreciate sunsets.

Oxytocin is a Teflon hormone - bad news rolls off it.