The Bodhicaryavatara, sometimes glossed as A Guide of to the Bodhisattva's Way of Life, is a famous Buddhist text written by Shantideva, around year 700. It has ten chapters dedicated to the development of an enlightened mind through the so called six perfections. The book also describes the benefits of the wish to reach enlightenment.
... under the age of 18, 6.3% from 18 to 24, 32.3% from 25 to 44, 21.1% from 45 to 64, and 11.8% who are 65 years of age or older. The median age is 37 years. For every 100 ...