Who said "To be human means we are all capable of both good and evil."?

This quote is attributed to Alfred Adler.

To be human means we are all capable of both good and evil. - Alfred Adler

"To be human means we are all capable of both good and evil."

Alfred Adler Philosophy

Psychologist Austrian 1870–1937

"Courage is not the absence of fear, but rather assessment that something else is more important than fear."

"The greatest invention is imagination."

"We are not determined by our heredity and environment; we make ourselves."

"Everybody can be significant, because everybody can serve."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."