Who said "The present is the past entered into by another gate."?

This quote is attributed to Oswald Spengler.

The present is the past entered into by another gate. - Oswald Spengler

"The present is the past entered into by another gate."

Oswald Spengler Time

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."

"Time waits for no one."

"Time spent with loved ones is never wasted."

"I've been alive for a long time. Long enough to know that you can't trust anyone."

"The past always catches up with you."