Bhagavad Gita Chapter 12.2
śrī-bhagavān uvāca
mayy āveśya mano ye māḿ
nitya-yuktā upāsate
śraddhayā parayopetās
te me yukta-tamā matāḥ
Translation
The Supreme Personality of Godhead said: Those who fix their minds on My personal form and are always engaged in worshiping Me with great and transcendental faith are considered by Me to be most perfect.