human nature

n.

人性，人情；人之常情；

Human Nature and the Social Order
Human Nature and the Social Order.
Loneliness: Human nature and the need for social connection.
THE FARTHER REACHES OF HUMAN NATURE by Abraham H. Maslow
The blank slate: The modern denial of human nature.
The Great Disruption: Human Nature and the Reconstitution of Social Order
The Blank Slate: The Modern Denial of Human Nature by Steven Pinker
The varieties of religious experience: A study in human nature.
The mating mind: How sexual choice shaped the evolution of human nature.
On the universality of human nature and the uniqueness of the individual: the role of genetics and adaptation