Along with many other texts, Gandhi studied Bhagavad Gita while in South Africa.[23] This Hindu scripture discusses jnana yoga, bhakti yoga and karma yoga along with virtues such as non-violence, patience, integrity, lack of hypocrisy, self restraint and abstinence.[24] Gandhi began experiments with these, and in 1906 at age 37, although married and a father, he vowed to abstain from sexual relations.[23]