योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-211, verse-9

यथैते कल्पनालोका अयं लोकस्तथैव नः ।
यथा काल्पनिको वातो लोकालोकास्तथैव ते ॥ ९ ॥

yathaite kalpanālokā ayaṃ lokastathaiva naḥ ,
yathā kālpaniko vāto lokālokāstathaiva te 9

9. These volitional beings are as fickle as the living creatures of this earth of ours; and as the volatile winds, which are blowing at random in every direction.