Who said "Don't blame others if you haven't done your best."?

This quote is attributed to Jack Ma.

Don't blame others if you haven't done your best. - Jack Ma

"Don't blame others if you haven't done your best."

Jack Ma

E-commerce Founder Chinese Born 1964 (age 62)

"Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine."

"Opportunities lie in the place where the complaints are."

"We are not here to work for money, we are here to realize our dreams."

"If you don't give up, you still have a chance."