Albert Einstein did not explicitly comment on the idea that photons do not experience time. However, his theory of relativity does provide insights into the behavior of light and the concept of time as experienced by different objects.
In the theory of special relativity, Einstein introduced the concept that the speed of light in a vacuum, denoted by 'c,' is constant and is the same for all observers regardless of their relative motion. This principle forms the foundation of many of the counterintuitive aspects of relativity, including time dilation.
According to special relativity, as an object approaches the speed of light, time appears to slow down from the perspective of an observer in a different frame of reference. This means that for a photon traveling at the speed of light, time would appear to stand still for it from its own perspective.
However, it is essential to note that photons are massless particles, and special relativity treats them differently from massive particles. They are not subject to the same laws and equations as objects with mass. Therefore, trying to apply the concept of experiencing time to a photon can be problematic.
While Einstein did not explicitly comment on photons not experiencing time, the principles of special relativity suggest that, according to an observer's frame of reference, the experience of time for a photon would be different or indeterminate.