Patanjali's yoga sutras

वृत्तयः पञ्चतय्यः क्लिष्टाक्लिष्टा – vr̥ttayaḥ pañcatayyaḥ kliṣṭākliṣṭāḥ

vr̥ttayaḥ = kinds of vortexes
pañcatayyaḥ = five-fold
kliṣṭā = problematic
ākliṣṭāḥ = not problematic 

To your ego, some of your mental vortexes are problematic, others are not. They’re unproblematic if you’re content. They’re problematic if you’re bothered. From the perspective of the practice of yoga, whether they’re problematic or not, depends on whether they keep you bound to your ego identity or whether they help you understand the truth of your oneness with the Loving Awareness that is the source of all that is and the energy that animates and organizes the universe. From the perspective of this Loving Awareness that is the ultimate cause of all your mental vortexes, they are neither problematic nor unproblematic, they are simple of five kinds…