dhyānayoga - Verse śloka 19
śloka 19
yathā dīpo nivātastho neṅgate sopamā smṛtā |
yogino yatacittasya yuñjato yogamātmanaḥ ||6-19||
Translation
As a lamp in a windless place does not flicker—such is the simile used for the mind of the Yogi of restrained mind who practices Yoga.