Action Quote by Robert M. Sapolsky

A depression is a situation of self-fulfilling pessimism.

— Joan Robinson

Clinically speaking, depression is a pessimistic sense of your own capabilities, and despondent lack of energy.

— Jane McGonigal

Habits of pessimism lead to depression, wither achievement, and undermine physical health. The good news is that pessimism can be unlearned, and that with…

— Martin Seligman

Many an attack of depression is nothing but the expression of regret at having to be virtuous.

— Wilhelm Stekel

My pessimism (which, by the way, is far from absolute) originated with my despair in the lack of perfection to be found in human…

— Stanislaw Lem

I think it is a luxury and privilege to be sane and well and pessimistic. Because with depression, you have no other option. You…

— Matt Haig

Pessimism is mental disease. It means illness in the person who voices it, and in the society which produces that person.

— Upton Sinclair

Pessimism is a form of mental dipsomania; it disdains healthy nourishment, indulges in the strong drink of denunciation, and creates an artificial dejection which…

— Rabindranath Tagore

A pessimist is just an optimist with experience.

— Eyedea

Pessimism comes from the temperament, optimism from the will.

— Emile Chartier

The true opposite of depression is not gaiety or absence of pain, but vitality: the freedom to experience spontaneous feelings.

— Alice Miller

Depression begins with disappointment. When disappointment festers in our soul, it leads to discouragement.

— Joyce Meyer