Bhagwad Gita
Chapter 18, Verse 46
यतः प्रवृत्तिर्भूतानां येन सर्वमिदं ततम्।स्वकर्मणा तमभ्यर्च्य सिद्धिं विन्दति मानवः।।18.46।।
By worship of the Lord, who is the source of all beings and who is all-pervading, man can, in the performance of his own duty, attain perfection.