Who said "Family is the first test of our capacity for loyalty."?

This quote is attributed to Oswald Spengler.

Family is the first test of our capacity for loyalty. - Oswald Spengler

"Family is the first test of our capacity for loyalty."

Oswald Spengler Family

Historian Philosopher German 1880–1936

"The West does not move towards its end, but it has already ended."

"Money is congealed labor."

"All profound disturbances of peace are the end of something."

"The history of a culture is the history of its ideas."

"A man's home is his castle."

"Family is everything to me."

"Life's greatest treasure is the love of family."

"A woman's place is in the home... making it a happy one."