Spiritual paths are divided into four. Not spiritual . . . real spiritual, mixed spiritual. Just like this, "God, give us our daily bread." It is mixed spiritual. One has approached God—God is spiritual—but one is asking for material profit. So this is mixture, matter and spirit. So there are four classes, generally known as karmī, fruitive actors, they work for getting some material profit. They are called karmī. Just like all men, you will see, they are working so hard day and night, driving their cars, zu-zu-zu-zu-zu, this way and that way. The purpose is how to get some money. This is called karmī.
And then jñānī. Jñānī means he knows that "I am working so hard. Why? The birds, beasts, the elephants, big, big . . . eight million different types of . . . they are not. They have no business. They have no profession. How they are eating? So why unnecessarily I work so much? Let me know what is the problem of life." So they understand the problem of life is birth, death, old age and disease. And they want to solve it, how to become immortal. So they have conclusion that, "If I merge into God's existence, then I become immortal, or immune from birth, death, old age and disease." This is called jñānī.