Yogic texts are a yogi's guide to peace, freedom and contentment. In the 8 limbed path of yoga, alongside the physical practice, breath practice and meditation there are suggested guides and restraints (non harming, non stealing, being truthful, conserving vital energy and non grasping) called the yamas. There are also some personal observances or 'niyamas' that can help us along the path to peace. The first of these niyamas is called 'saucha' which translates as purity or cleanliness.
As with many of the yogic practices, the words we use to translate from sanskrit to English can affect how we approach the practice: