Dr. Caroline Leaf says this in her book
Switch On Your Brain,
Our thoughts hold the power to shape our emotions, behaviours, and, in the end, determine how and if we pursue our purpose. By nurturing positive, affirming and empowering thoughts, we pave the way for a life filled with happiness, achievement, and true contentment. It is crucial to be conscious of the thoughts we entertain, as they influence our presence in the world.
Embrace positivity, have faith, and allow the renewing of your mind daily!