Speech that is not offensive, truthful, pleasant, beneficial, and is used for the regular reading of scriptures is called the austerity of word.
As a man can drink water from any side of a full tank, so the skilled theologian can wrest from any scripture that which will serve his purpose.
Let the scripture be your authority in determining what should be done and what should not be done. You should perform your duty following the scriptural injunction.
Some offer their wealth, their austerity, and their practice of yoga as sacrifice, while the ascetics with strict vows offer their study of scriptures and knowledge as sacrifice.