हठयोग प्रदीपिका (योगी स्वात्माराम - ज्योत्स्ना टीका सहित सटीक)

60 HAṬHAYOGAPRADĪPIKĀ
wise man should not allow his mind to wander else-
where.
128. Thus have the ten Mudrā-s been described
by the primeval Lord, Śambhu (Śiva). Each one of
them confers on the self-restrained (Yamin-s) the great
siddhi.
129. One who imparts teaching regarding the
Mudrā-s as handed down by a succession of Guru-s,
he is the real teacher. He is the master, the Lord
(Īśvara) in visible form.
130. Carefully following his teaching, he who
concentrates on the practice of the Mudrā-s, obtains
the capacity to overcome death, along with the siddhi-s
such as aṇiman.