The Perennial Review.
Shloka vs. Study · Spring 2026

The breath that steadies the mind

A verse on prāṇāyāma from the Yoga Sutras, set beside what contemporary neuroscience now understands about slow exhalation and the parasympathetic state.

By Anusha Mishra June 2026

The Yoga Sutras treat the breath not as a metaphor but as a lever: steady it, and the mind steadies with it. Below, the verse stands beside what the instruments now trace from without.

The tradition says
"Or steadiness of mind is gained by the controlled exhalation and retention of the breath."
Yoga Sutra · I.34 (trans. the editors)
Read closely
Slow, extended exhalation lengthens the phase of the breath that engages the vagus nerve, nudging the body toward parasympathetic "rest and digest" dominance. The sutra names from the inside the same shift the instruments measure from without.

The discipline is small and unspectacular — a few minutes, a longer out-breath — and that modesty is the point. The verse does not promise transcendence; it promises steadiness, which is its precondition.

About this essay

Part of an ongoing series reading the figures of the living canon not as artifacts but as conversation partners — asking, in each case, what they still have to say. Translations are the editors’ own.

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