One verse

Srimad Bhagavatam 11.15.34

11.15.34

जन्मौषधितपोमन्त्रैर्यावतीरिह सिद्धय: । योगेनाप्नोति ता: सर्वा नान्यैर्योगगतिं व्रजेत् ॥ ३४ ॥

janmauṣadhi-tapo-mantrair yāvatīr iha siddhayaḥ yogenāpnoti tāḥ sarvā nānyair yoga-gatiṁ vrajet

janma
by birth
auṣadhi
herbs
tapaḥ
austerities
mantraiḥ
and by mantras
yāvatīḥ
as many as there are
iha
in this world
siddhayaḥ
perfections
yogena
by devotional service to Me
āpnoti
one obtains
tāḥ
those
sarvāḥ
all of them
na
not
anyaiḥ
by other methods
yoga-gatim
the actual perfection of yoga
vrajet
one can achieve

Whatever mystic perfections can be achieved by good birth, herbs, austerities and mantras can all be achieved by devotional service to Me; indeed, one cannot achieve the actual perfection of yoga by any other means.