Manjushri is a Bodhisattva who represents wisdom. This Mantra is believed to enhance one’s wisdom, memory and learning abilities.
he more emphasis and times the chant is recited, the more likely it is to succeed.
MANTRA : OM A RA PA TSA NA DHIH
MEANING : According to the schema laid out in the Large Sutra of Perfect Wisdom (adapted from Conze)
A leads to the insight that the essence of all things is unproduced.
RA leads to the insight that all things are pure and free of defilements.
PA leads to the insight that all dharmas have been “expounded in the ultimate sense.”
CA leads to the insight that the arising and ceasing of things cannot be apprehended because in reality there is no arising or ceasing.
NA leads to the insight that although the names for things change the nature of things behind their names cannot be gained or lost.
(Source : http://www.wildmind.org/mantras/figures/manjushri)