Mahayana Buddhists were able to spread and make more converts because they chose to interpret the teachings of the Buddha more liberally than did the Theravada Buddhists. For example, the 'Vinaya' states that monks can only wear cotton robes, which would be fine in India. But when monks wanted to carry the message north to colder climates, they were deterred by their light clothing. Mahayana monks chose to wear wool and felt robes in order to bring Buddhism to the Mongols and into China. They were more flexible than the Theravada Buddhists. However, the basic difference between the two schools is in how they see the life and teachings of the Buddha. Theravada Buddhists see him as a man, a saint, who chose to give up all his wealth and comfort to achieve Nirvana. Mahayana Buddhists, on the other hand, stress the Buddha as a savior who devoted his life to serving and teaching others. He did not choose to rest, content in his own Enlightenment. This difference of interpretation led to the fundamental split between the two schools. Theravada Buddhists concentrate on the emancipation of the individual through his own efforts, while the Mahayana stress salvation through a life of good works. Since all the teachings of the Buddha were written long after his death, each school disputes the other's writings. The Theravada school criticizes the writings of the Mahayana for not being authentic. The Mahayanas write that the Buddha taught each according to his own level of understanding and taught only the most basic ideas to the Theravadas. His deepest insights, say the Mahayanas, he reserved for those on the Greater Vehicle (the Mahayanas). In all its many different forms, Buddhism has three cornerstones that are always the same. These are the Three Jewels: Buddha, the teacher; Dharma, the teachings or laws; and Sangha, the community of believers. Monks and devout laypeople believe that these three elements of their religion shelter and pr...