Who said "Imagination is the only limit we truly possess."?

This quote is attributed to William Astor.

Imagination is the only limit we truly possess. - William Astor

"Imagination is the only limit we truly possess."

William Astor Imagination

Merchant & Real Estate American 1763–1848

"Wealth is the means, not the end."

"The only true legacy is the impact we leave on others."

"Fortune favors those who dare to act."

"A man's character is his fate."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."