This is a very important verse. Even big scholars cannot understand Krsna, yet they dare comment on the Bhagavad-gita. Reading the Bhagavad-gita means understanding Krsna, yet we actually see many scholars making blunders in trying to understand Krsna. Gopinatha Acarya's statement is confirmed in many places in Vedic literature. In the Katha Upanisad (1.2.23) it is stated:

It is also stated in Katha Upanisad (1.2.9):

The fact is that the Supreme Personality of Godhead, the Supersoul, cannot be attained simply by explanations, logic and erudite scholarship. One cannot understand Him simply by one's brain substance. Even by studying all Vedic literature, one cannot understand the Supreme Lord. However, if one is slightly favored by the mercy of the Lord, if the Lord is pleased, one can understand Him. But who are the candidates eligible to receive the mercy of the Lord? Only the devotees. They alone can understand what is the Supreme Personality of Godhead. The Lord reveals Himself to the sincere devotee when He is pleased with his service: svayam eva sphuraty adah. One should not try to understand the Lord simply from the statements of the Vedas, nor should one uselessly attempt to decry these statements through reasoning and logic.