This mantra of Ganesha is one of the most powerful and knows of Hinduism. It is an invocation to Ganapati (another name of Ganesha) and serves to remove obstacles (physical, emotional and spiritual).
Om Gam Ganapataye Namah
“Om. Salutations to him who removes obstacles (Ganapati) which Gam is the seed. “
Om Gam Ganapataye namah
Daniel Nodari Mahadev