श्री भगवानुवाचऊर्ध्वमूलमधःशाखमश्वत्थं प्राहुरव्ययम्।छन्दांसि यस्य पर्णानि यस्तं वेद स वेदवित्।।15.1।।
śhrī-bhagavān uvācha ūrdhva-mūlam adhaḥ-śhākham aśhvatthaṁ prāhur avyayam chhandānsi yasya parṇāni yas taṁ veda sa veda-vit
The Blessed Lord said: They (the wise) speak of the indestructible peepul tree, with its roots above and branches below, whose leaves are the meters or hymns; he who knows it is a knower of the Vedas.