Extraordinary claims should require extraordinary evidence to be believed.
Purposive behavior in animals and men.
促使人们倾向于和平的激情是对死亡的恐惧,对舒适生活必需品的渴望,以及通过自己的努力获得这些的希望。
I'm not afraid to be alone; I'm afraid of being lonely.
The world is full of suffering, but it is also full of the overcoming of it.
Psychology must be based on observable facts, not speculation.
"The stories we tell shape who we are."