We are just another primate but a very confused, malleable one.

But if you get chronically, psychosocially stressed, you're going to compromise your health. So, essentially, we've evolved to be smart enough to make ourselves sick.

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

Stress is not a state of mind... it's measurable and dangerous, and humans can't seem to find their off-switch.

Hormones influencing the sensitivity of the person to environmental stimuli.

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

Fossey, Fossey, you cranky difficult strong-arming self-destructive misanthrope, mediocre scientist, deceiver of earnest college students, probable cause of more deaths of the gorillas than if you had never set foot in Rwanda, Fossey, you pain-in-the-ass saint, I do not believe in prayers or souls, but I will pray for your soul, I will remember you for all of my days, in gratitude for that moment by the graves when all I felt was the pure, cleansing sadness of returning home and finding nothing but ghosts.