Rigveda 6.16.34

Mantra in Sanskrit With Meaning: 

अग्निर्वृत्राणि जङ्घनद्द्रविणस्युर्विपन्यया ।
समिद्धः शुक्र आहुतः ॥

agnirvrtrani janghanad dravinasyurvipanyaya, 
samiddhah sukra ahutah

Meaning: 

Those who endeavor continuously destroy poverty.

O industrious learned person, as rapid going electricity when used properly causes the acquisition of wealth, (prosperity), so you being desirous of acquiring riches and respecting worthy person, industriously gain wealth.

Purport:

Those who are constantly industrious, eradicate poverty.