Time is not a fundamental concept in the basic laws of physics. According to the sources, while time is a familiar and essential part of our everyday experience, the fundamental laws of physics do not distinguish between the past and the future. The idea of a unified and universal "now" is an illusion based on our limited perspective. Instead, time is a complex, multi-layered concept that emerges from more fundamental physical processes.

Our perception of time is closely linked to entropy and our limited knowledge of the world. The sources suggest that our experience of time's flow arises from the increase of entropy, a measure of disorder or randomness. Because entropy was lower in the past, the past leaves traces in the present, while the future does not, giving us the sense that the past is fixed and the future is open. This "specialness" of the past may be a result of the particular way our small part of the universe interacts with the rest of it. In essence, time, as we perceive it, is a reflection of our ignorance of the detailed microscopic state of the universe.

The human experience of time is deeply subjective and intertwined with memory. Our individual perspectives, shaped by our interactions with the world and our memories, play a crucial role in how we experience time. Memory, in particular, links together the processes that make up our sense of self, creating a continuous narrative of our lives. Our brains are constantly making predictions about the future based on our past experiences, leading to a sense of cause and effect. Ultimately, the sources suggest that the flow of time, as we subjectively experience it, is a product of the interplay between our memories of the past and our anticipations of the future.

The sources present a complex and nuanced view of time, challenging our common-sense notions and suggesting that our experience of time is more a product of our limited perspective and the structure of our minds than a fundamental property of the universe.