You'll be able to pick your own personal mantra, and there are actually generic mantras to pick from. Dr. Chopra’s book has 52 of these. One of the more historical Buddhist mantras is definitely the well known Pratītyasamutpāda-gāthā, also referred to as the dependent origination dhāraṇī. Yoga one zero one: https://geraldy233hwi1.idblogmaker.com/26385381/getting-my-mantra-to-work