I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain.
What’s that from?
Dune?
https://dunenovels.com/
Bene gesserit litany against fear
Nice. Is that at the beginning when he has to pass the test?
In the movie adaptation, yes.
Paul says it several times. In the first 4 books you will have several characters use it