This is the essence of all Vedas. This is the greatest among all mantras. Nectarine Rama Nama is the heart of Vedas.

Nama Article 9th July 2012

Tanthrasaram

इदमेव परं सारं सर्वेषां मन्त्रसन्ततेः

वेदानां हृदयं सौम्ये रामनामसुधापदम्

This is the essence of all Vedas. This is the greatest among all mantras. Nectarine Rama Nama is the heart of Vedas.

Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji

Rama Nama is the very essence ('saram') of all Epics, Shastras and the Vedas

Our ancient Sages and Rishis have glorified the Rama Nama

Whether your interest be in Yoga, Meditation or Vedanta, chanting Mahamantra for some time will purify your mind and enable you to proceed in your own path comfortably

When its recitation commences with the Divine Name Hari and concludes with the same, it is a clear and significant indication that the essence of all Vedas is about chanting the Divine Name of Hari.

Essence of Srimad Bhãgavatam

What is the essence of all the Shastras, the Brahma Sutra, the Bhagavad Gita, the Upanishads, etc.

The essence of the endless Vedas is this : Seek the shelter of God and repeat His name with all thy heart.

Chant the Mahamantra Nama kirtan :

Hare Rama Hare Rama Rama Rama Hare Hare
Hare Krishna Hare Krishna Krishna Krishna Hare Hare