Who said "Perseverance is the refusal to accept the impossible."?

This quote is attributed to William Astor.

Perseverance is the refusal to accept the impossible. - William Astor

"Perseverance is the refusal to accept the impossible."

William Astor Perseverance

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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."