“Those who cannot change their minds cannot change anything.”
“Progress is impossible without change; and those who cannot change their minds cannot change anything.”
“A bitter thing cannot be made sweet. The taste of anything can be changed. But poison cannot be changed into nectar.”
“We are addicted to our thoughts. We cannot change anything if we cannot change our thinking.”
“We cannot change anything unless we accept it.”
“Change what cannot be accepted and accept what cannot be changed.”