Patanjali's yoga sutras

तत्प्रतिषेधार्थमेकतत्त्वाभ्यासः

Tatpratiṣedhārthamekatattvābhyāsaḥ

Tat = that

Pratishedha = wards off

Artha = manner

eka = best

tattva = Essential nature, the real nature of the human soul, considered as one and the same with the divine spirit animating the universe: the philosophical etymology of this word best explains its meaning, tad that, that divine being, and tva thou, that very God art thou.

abhyāsaḥ= practice