Mantras and affirmations function similarly in your case by reinforcing specific thoughts and intentions, but mantras normally have spiritual or religious importance, although affirmations tend to be secular and focused on personal ambitions or self-advancement. To Lakshmi: oṃ śrīṃ hrīṃ śrīṃ kamale kamalālaye prasīda prasīda; oṃ śrīṃ hrīṃ śrīṃ mahālakṣmayai https://www.youtube.com/@Mahavidyabaglamukhi