Who said "What we do not revisit, we inevitably lose."?

This quote is attributed to Hermann Ebbinghaus.

What we do not revisit, we inevitably lose. - Hermann Ebbinghaus

"What we do not revisit, we inevitably lose."

Hermann Ebbinghaus

Psychologist German 1850–1909

"Memory is the mother of all wisdom."

"The true art of memory is attention."

"We live in succession, in division, in parts, in particles. Meantime within man is the soul of the whole."

"Without repetition, nothing is learned."