斯里蘭卡僧人 Narada Maha Thera在其名著The Buddha and His Teachings 說:
Every aspirant to Buddhahood passes through the Bodhisatta (菩薩)period----a period of intensive exercise and development of the qualities of generosity, discipline, renunciation, wisdom, energy, endurance, truthfulness, determination, benevolence and perfect equanimity(第21頁).