Top Five limbs of devotional service

CC Madhya 22.128: "

1. One should associate with devotees,
2. chant the holy name of the Lord, 
3. hear Śrīmad-Bhāgavatam, 
4. reside at Mathurā 
5. worship the Deity with faith and veneration.

CC Madhya 22.129: "These five limbs of devotional service are the best of all. Even a slight performance of these five awakens love for Kṛṣṇa.

Source 

https://www.google.com/search?q=CC+Madhya