All classes of men can approach Lord Kṛṣṇa by thinking of Him, for hearing and thinking of Him is possible for everyone.
The Lord further says (Bg. 9.32-33):
- māṁ hi pārtha vyapāśritya
- ye 'pi syuḥ pāpa-yonayaḥ
- striyo vaiśyās tathā śūdrās
- te 'pi yānti parāṁ gatim
- kiṁ punar brāhmaṇāḥ puṇyā
- bhaktā rājarṣayas tathā
- anityam asukhaṁ lokam
- imaṁ prāpya bhajasva mām
Thus the Lord says that even a merchant, a fallen woman or a laborer or even human beings in the lowest status of life can attain the Supreme. One does not need highly developed intelligence. The point is that anyone who accepts the principle of bhakti-yoga and accepts the Supreme Lord as the summum bonum of life, as the highest target, the ultimate goal, can approach the Lord in the spiritual sky. If one adopts the principles enunciated in Bhagavad-gītā, he can make his life perfect and make a permanent solution to all the problems of life. This is the sum and substance of the entire Bhagavad-gītā.