Verse
यतन्तो योगिनश्चैनं पश्यन्त्यात्मन्यवस्थितम् ।यतन्तोऽप्यकृतात्मानो नैनं पश्यंत्यचेतसः ॥
The Yogins who strive, see the Lord in themselves; but though they strive to do so, the ignorant perceive Him not, as they are not formed in the spiritual mould.
Gītā 15·11