And Brahmā is called jagad-aṇḍa-natha. Jagad-aṇḍa-nātha means Brahmā. As in each department, for management there is a manager, similarly, in each brahmāṇḍa there is a manager who is called Brahmā. And each planet, there is also a manager or head. That is the system. And the supreme head is Kṛṣṇa.
Just like we have a manager, a head, on this planet. Now we have divided. Formerly this planet was one unit, and there one head, the emperor. Just like Yudhiṣṭhira Mahārāja was the emperor of the whole world. Parīkṣit Mahārāja. All kings formerly, whoever became king, emperor, he ruled over the whole planet. In each and every planet there was a ruler, but now, in the days of democracy, there are so many rulers, practically each and every one of us is a ruler. This is democracy.
But actually the arrangement is that ruler should be one, and the supreme ruler is Kṛṣṇa. Ruler means īśvara. So there are so many īśvaras. Īśvara means that actually there must be one īśvara, one ruler, but because here in this material world every one of us is trying to become īśvara, therefore the Māyāvādī philosophy is that everyone is īśvara. That's all right. But that īśvara is not sublime. I may become īśvara amongst my disciples, but I am not the supreme, I'm not īśvara of everyone. So īśvara is actually Kṛṣṇa. Īśvaraḥ paramaḥ kṛṣṇaḥ (Bs. 5.1), the śāstra says. There are īśvaras, rulers. That's all right. But the supreme ruler is Kṛṣṇa. Īśvaraḥ paramaḥ kṛṣṇaḥ sac cid ananda vigrahaḥ (Bs. 5.1). This is stated in the Brahma-saṁhitā, and Kṛṣṇa also says, mattaḥ parataraṁ nānyat kiñcid asti dhanañjaya (BG 7.7). "There is nobody else superior than Me." That is the fact.
People are searching after Īśvara, "Can you show me God?" "There is no God." "God is dead." So many philosophers and theories are there, but actually there is God. Here is God, Kṛṣṇa. Īśvaraḥ paramaḥ kṛṣṇaḥ sac-cid-ānandaḥ vigrahaḥ (Bs. 5.1). Ekale īśvara kṛṣṇa. In Caitanya-caritāmṛta it is said that "Only īśvara is Kṛṣṇa, the Supreme." Ekala īśvara kṛṣṇa, āra saba bhṛtya (CC Adi 5.142). "All others, they are servants." Nobody is actually īśvara. And we find it practically. Everyone in this material world, he may become an īśvara is his group, but he is also controlled by somebody superior. That is the position of this relative īśvara. But Kṛṣṇa is absolute īśvara. Nobody is īśvara above Him. That is Kṛṣṇa. So, everyone is trying to be īśvara. This is the material world. Everyone is trying to be īśvara.
So Kṛṣṇa says that, ṛṣibhir bahudhā gītam. Because everyone is trying to be superior. Nāsau ṛṣir yasya mataṁ na bhinnā, that every philosopher must give his own opinion and it must be refuted by another. Therefore śāstra says that in this way you cannot ascertain what is the reality. Tarko 'pratiṣṭha. If you want to understand the reality by your arguments, reasoning power, that is not possible. Because I may be very nice arguer, but another person may be better arguer, he can defeat me. And that is going on.
Therefore simply by arguments, you cannot reach the Absolute Truth. That is not possible. Tarko 'pratiṣṭha. And if you simply depend on the śruti, śrutayo vibhinnaḥ. The Vedic literatures are different: Sāma, Yajur, Ṛg, Artharva. And not only that, other scriptures there are. So Śrutayor vibhinnāḥ nāsau ṛṣir yasya mataṁ na bhinnā, dharmasya tattvaṁ nihito guhāyām. To understand religious principle, it is very difficult.