Bhagwad Gita
Chapter 9, Verse 33
किं पुनर्ब्राह्मणाः पुण्या भक्ता राजर्षयस्तथा।
अनित्यमसुखं लोकमिमं प्राप्य भजस्व माम्।।9.33।।
How much greater then are the brahmanas, the righteous, the devotees and saintly kings who in this temporary miserable world engage in loving service unto Me.