Paranoid—A pattern of distrust and suspiciousness such that others’ motives are interpreted as malevolent. “Reads hidden, demeaning, or threatening meanings into benign remarks or events.”

Galton that if the characteristic behaviors

those who are low in Agreeableness are more likely to rise to the top of their fields.

psychologists who wish to keep the actual structure and functioning of personality free from judgments of moral acceptability….

Why is this so? Why do traits with a moral quality have such a powerful effect on us? Is this just a reflection of the cultural influences that Allport emphasized?

The ten patterns I described come from psychiatry’s diagnostic manual, which was designed to identify them in their full-blown and maladaptive forms, called personality disorders. But these patterns also exist in milder forms that need not be maladaptive.

“[T]hough I never arrived at the perfection I had been so ambitious of obtaining, but fell far short of it, yet I was, by the endeavor, a better and happier man than I otherwise should have been if I had not attempted

Scores of genetically unrelated children who were adopted and raised in the same family also show no effect of this shared environment.

He also believed that good character was his ticket to both productivity and happiness.