As a twig obtained from a big tree is used in pointing out the new moon; so are the Vedas used in pointing out the truth and other attributes of the Supreme Soul.
धामांशभागस्य तथा हि वेदा यथा च शाखा हि महीरुहस्य। संवेदने चैव यथाऽऽमनन्ति तस्मिन् हि सत्ये परमात्मनोऽर्थे॥