Yajna means Lord Vishnu or sacrificial performances. All sacrificial performances also are meant for the satisfaction of Lord Vishnu. The satisfaction of Lord Vishnu is served whether one performs prescribed Yajna or directly serves Lord Visnu. Krishna consciousness is therefore performance of yajna as it is prescribed in this verse.
Today we see that the younger generation is so very inquisitive and they want to know why a particular activity or ceremony is being observed. That is something to be appreciated just as Krishna is cleverly inquiring, "This ritualistic endeavour of yours should be clearly explained to Me. Is it a ceremony based on scriptural injunction, or simply a custom of ordinary society?
In Mathematics, the four operations +,-,* and / are the linchpins of computations and calculations. Extend the trajectory of these operations into the domain of Krsna Consciousness and we have in possession a very potent formulae for spiritual success.
I would like to mention about the importance of the early going to bed and early rising in the morning. Srila Prabhupad has been very strict about practicing this regulation and he wanted everyone in Krishna consciousness to follow this religiously.
For this reason the enlightened person should endeavor only for the minimum necessities of life while in the world of names. He should be intelligently fixed and never endeavor for unwanted things, being competent to perceive practically that all such endeavors are merely hard labor for nothing.
What if a person dies in coma, where a person lapses into complete unconscious state? How can he remember the Lord. If he can't remember should he come back again to this world?". The Lord Himself answers this question in the Varaha avatara
Maharaj indicated that we should never discriminate anyone. "There can be someone you might not like. But please know that that 'someone' is also a living entitiy and that s/he is also a part and parcle of Krishna, just as you are".
By the mercy of the Lord even a layman can compose prayers of the highest spiritual perfection. Such spiritual perfection is not limited by material qualifications but is developed by dint of one's sincere endeavour to render transcendental service.
"Persons who fully surrender at the lotus feet of the Supreme Personality of Godhead and always think of His lotus feet are accepted and recognised by the Lord as His own personal assistants or servants. The Lord never bestows upon such servants the brillant opulences of the upper, lower and middle planetary systems of this material world.
Lord Krishna appears in this world for two purposes:- to deliver the faithful and to annihilate the miscreants. But because the Lord is absolute, His two different kinds of actions, although apparently different, are ultimately one and the same.
Once there lived a King and he had four wives. He loved the fourth wife the most and adorned her with rich robes and treated her to the finest of delicacies. He gave her nothing but the best. He also loved the third wife very much and was always showing her off to neighboring kingdoms.
We should not be jubilant in victory or morose in defeat. We should make a sincere effort to implement the will of Krishna, or Sri Caitanya Mahaprabhu, and we should not be concerned with victory and defeat. Our only duty is to
work sincerely, so that our activities may be recognised by Krishna."