Sutra I. 50 Taj-jah samskaro'nya-samskara-pratibandhi

samskara: the conditioned mind. Mental formations either latent/frozen or actively operating. Embedded latent triggers, which trigger biopsychic kleshic activities. See the bhavacakra (the wheel of samsara) for this relationship. Past frozen and non-integrated mental/energetic imprints. There is one primary samskara, that of our true original nature (buddhanature), which is essentially innate and imperishable.

Commentary: From the strong imprint that issues forth from the dawning of the innate wisdom (rtambhara) the arising of any further samskaras (past psychic imprints, psychic signatures, programmed latent triggers, and the like hidden in the cellular memory, neurology, energy body, and etheric body due to past unresolved trauma, conflict, habit, karma, or conditioning) are disengaged (pratibandhi), annihilated, and cease to operate. Here then Rtambhara and its innate wisdom imprint (of prajnabhyam) wells up from within as a great wave washing upon the entire being creating a deep shift so that the core/heart center now has become activated. That is the innate wisdom issuing forth from the universal evolutionary source potential (isvara) overriding all other imprints -- that which has arisen from the innate seed source (isvara or innate Buddhanature) which then integrates/aligns us with the Universal Self which resides simultaneously in all beings and things as well as within.

Self realization is the strongest experience and also the most subtle. It is not realized without sustained practice (yogic sadhana which produces grace) -- by the complete surrender of effort (vairagya). The innate source seed leaves a very deep and lasting imprint. This imprint thus triggers our nervous system, the dna, every cell and atom, the innate wisdom at a cellular self-organizing level, which in turn spontaneously responds to every possible holographic situation efficiently taking into consideration multidimensional contexts of all kin and kith in All Our Relations. Some say that this imprint is what the Sri Yantra represents. Others say that it realized through the repetition of the pranava, yet others say that nirvicara samadhi will in time set in motion, the samskara necessary to return us to our original true self nature (swarupa-sunyam) in nirbij-samadhi.

So here Sutra 50 says that continuous and permanent samadhi (nirbija samadhi) occurs after all the samsaric samskaras (imprints due to conditioning) are over ridden by our innate Buddha/Christ potential -- intrinsic awareness which is always available, but widely ignored (because of samsaric conditioning and past imprints). One naturally asks what is this positive psychic signature (samskara) which brings forth the rain of rtam-bhara prajna -- the age old truth bearing wisdom if not the maturation of isvara (the intrinsic seed source), call it the awakening of our innate transpersonal buddhanature or bodhi-seed (the absolute bodhi-citta ripening and manifesting). All other samadhis are only approximations, alignments, incomplete, and temporary; however sitting in sabija samadhi (samadhi with seed) for extended periods of time will ripen the seed for final liberation in nirbija samadhi, just as a mother hen ripens her eggs or a farmer with a green farm brings his seeds to maturation. Being innate primordial wisdom it can be understood as the primal impression or ceaseless samskara whose characteristic is sublime auspiciousness.

So according to Patanjali yoga practice eliminates the veil of ignorance that has occluded/obscured that pre-existing inherent love/wisdom which has always existed from beginningless time. It's like a treasure awaiting to be discovered. Yogis are thus like treasure finders and maybe also if they are adept, able to point out to others where their own inner treasures are buried.