Who said "Change is the only constant in the universe."?

This quote is attributed to William Astor.

Change is the only constant in the universe. - William Astor

"Change is the only constant in the universe."

William Astor Change

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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."