If you get a dog's body, you will express in a different way. If you get the body of a tree, that you cannot express. You will have to stand simply. You have to suffer. You cannot protest. Somebody is taking, cutting, take your fruit, cutting your branch, but you cannot protest.
So this is going on perpetually. Not perpetually—at least for many, many millions of years, for many, many millions of years. But we are, because we are fool, especially in this age of Kali, we do not understand it. Therefore it is said, sattva-saṁśuddhiḥ. You require to be cured of your this disease, ignorance. That is called . . . just like when you become infected with some disease, you go to a physician, and he gives you some injection or some medicine so that you may be cured of the extra fever or extra pain due to your disease. Similarly, those who are advanced in knowledge, their sattva, existence, is cured. That we require. Or everyone requires to be cured of this disease of ignorance. The ignorance, disease of ignorance, means "I am this body. I am this body." I am not this body.
So therefore it is said, abhayaṁ sattva-saṁśuddhiḥ, sattva-saṁśuddhiḥ. And jñāna, this sattva-saṁśuddhiḥ, this purification of my existence, is possible. It is simply jñāna. I am . . . jñāna means knowledge. I am . . . because I am in ignorance, therefore I am thinking, "I am this body." So it requires a little jñāna, knowledge. Then we will understand that "I am not this body; I am different from this body." And because I am in ignorance, therefore I am thinking, "I am this body": "I am this white body," "I am this black body," "I am this American body," "I am this Indian body," "I am this cat's body" and "dog's body," so many different consciousness on account of this . . . basic principle is this ignorance.