pariṇāmatrayasaṃyamād atītānāgatajñānam [YS 3.16]

dharmalakṣaṇāvasthāpariṇāmeṣu saṃyamād yogināṃ bhavaty atītānāgatajñānam. dhāraṇādhyānasamādhitrayam ekatra saṃyama uktaḥ. tena pariṇāmatrayaṃ sākṣātkriyamāṇam atītānāgatajñānaṃ teṣu saṃpādayati.