Manjusri Bodhisattva - Wisdom

Manjusri Bodhisattva is a Great Bodhisattva that represents great Wisdom. He is the Bodhisattva that destroy all ignorance. Manjusri Bodhisattva represents the Enlightenment experience by using the path of wisdom. He is usually paired up with Samantabhadra Bodhisattva, and Shakyamuni Buddha, to which he was a disciple of in Mahayana Sutras. The title of Manjusri Bodhisattva usually was evoked by many great master before they study and organize Sutras.

The Mantra of Manjusri Bodhisattva:

Om A Ra Pa Cha Na Dhih

These are most likely seeds Syllables, especially the "Dhih". By reciting this mantra, one will be able to improve her/his memory, ability in speech and debate, wisdom, and destroying ignorance.