"The poetic notion of infinity is far greater than that which is sponsored by any creed"

In this quote, Joseph Brodsky is highlighting the power and depth of the poetic concept of infinity. He suggests that this concept of endlessness and boundlessness is far more profound and meaningful than any belief system or ideology that tries to specify it. By using the word "sponsored," Brodsky implies that these creeds or teachings are limited and managed by human constructs, whereas the poetic notion of infinity goes beyond these limitations and includes a much broader and more profound understanding of the universe. This quote speaks to the long-lasting and universal nature of poetry and its capability to catch and convey complicated concepts that go beyond the restraints of any specific belief system.