Suppose something is given to me in my . . . during my dinner which I don't like. Sometimes we throw it, "Oh, I don't want it." You see? So similarly, our discrimination . . . "Discrimination is the best part of valor." Simply we have to learn how to discriminate whether we are working on material platform or on the spiritual platform. That's all.
Just like Arjuna. Arjuna was being advised to work on the spiritual platform. That's all. The whole instruction of Bhagavad-gītā is based on this principle, that Arjuna was perplexed with material thoughts. And Lord Kṛṣṇa wanted to pose him, or to place him, in the spiritual platform. That's all. So now, from Arjuna's activity, you can understand that what is spiritual platform and what is material platform.
Now, those who have studied Bhagavad-gītā up to the end—and I hope some of you have already read Bhagavad-gītā Arjuna was a military man, and Kṛṣṇa was trying to induce him to his duty as military man that, "You must fight." But Arjuna was declining, that "I cannot kill my relatives, my friends, my brothers, my teacher, my grandfather." That was his consideration.
Now, this consideration is material platform. When we think of in relation with this body, that is material platform. Anything done in consideration of this body . . . this body means senses. The body means the senses. That means anything which we do for sense gratification, that is material. And anything which we do for the satisfaction of the Supreme, that is spiritual platform. That's all.