[adjective (simpler, simplest)] 1 easily understood or done. 2 plain and uncomplicated in form, nature,or design. 3 humble and unpretentious
[noun] the ability to use your knowledge and experience to make good decisions and judgements
yogaš citta-vrtti-nirodhah (Yoga Sutras 1.2): Union [yoga] is the quieting [nirodhah] of mind-activities [citta-vrtti]