Turn over a new leaf.
Turn over a new leaf.
Turn over a new leaf" is an idiom that means to make a fresh start or to change one's behavior for the better. The imagery evokes turning the page of a book to a blank leaf, symbolizing new opportunities and a clean slate. This phrase is often used in the context of personal development and resolving to improve oneself.
He's turned over a new leaf and is working hard in school now.
He made a significant positive change and is now dedicated to his studies.
After the new CEO came onboard, the company turned over a new leaf.
With the arrival of the new CEO, the company made substantial positive changes.
Jane smoked for years, but she turned over a new new leaf and quit last spring.
Jane quit smoking last spring, making a significant positive change in her life.