Bhagavad Gita 2.40
In this endeavour of offering service to Lord Kṛṣṇa, you get eternal credit, and a little service offer to Lord Kṛṣṇa can protect one from the most dangerous type of fear.

Srimad Bhagavatam 10.11.11
While Kṛṣṇa was going to the fruit vendor very hastily, most of the grains He was holding fell. Nonetheless, the fruit vendor filled Kṛṣṇa’s hands with fruits, and her fruit basket was immediately filled with jewels and gold.

Srimad Bhagavatam 10.22.35
It is the duty of every living being to perform welfare activities for the benefit of others with his life, wealth, intelligence and words.