Bhagavad Gita Bhasya (Gambhirananada)

2.66 For the unsteady there is no wisdom, and
there is no meditation for the unsteady man. And
for an unmeditative man there is no peace. How
can there be happiness for one without peace?
English Translation of Sri Sankaracharya's Sanskrit
Commentary - Swami Gambhirananda
2.66 Ayuktasya, for the unsteady, for one who does
not have a concentrated mind; na asti, there is no,
i.e. there does not arise; buddhih, wisdom, with
regard to the nature of the Self; ca, and; there is no
bhavana, meditation, earnest longing [Longing to
have a continuous remembrance of the knowledge
of Brahman which arises in the mind from hearing
the great Upanisadic sayings (maha-vakyas).] for
the knowledge of the Self; ayuktasya, for an
unsteady man. And similarly, abhavayatah, for an
unmeditative man, who does not ardently desire
the knowledge of the Self; there is no santih, peace,
restraint of the senses. Kutah, how can there be;
sukham, happiness; asantasya, for one without
peace? That indeed is happiness which consists in
the freedom of the senses from the thirst for
enjoyment of objects; not the thirst for objects --
that is misery to be sure. The implication is that, so
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