2.61 Samyamya, controlling, having subdued; sarvani, all; tani, of them; asita, one should remain; yuktah, concentrated; mat-parah, on Me as the supreme  he to whom I, Vasudeva, the inmost Self of all, am the supreme (parah) is mat-parah. The idea is, he should remain (concentrated) thinking, 'I am not different from Him.'
Hi, for; the prajna, wisdom; tasya, of one, of the sannyasin remaining thus concentrated; yasya, whose; indriyani, organs; are vase, under control, by dint of practice; [The organs come under control either by constantly thinking of oneself as non-different from the Self, or by constantly being mindful of the evils that result from objects.] pratisthita, becomes steadfast.
Now, then, is being stated this [This:what is described in the following two verses, and is also a matter of common experience.] root, cause of all the evils that beset one who is the verge of being overwhelmed: