Stokes flow is time reversible due to the absence of diffusive transport, which means that the flow characteristics remain unchanged when time is reversed. This property stems from the linearity of the governing equations, allowing for a symmetrical response to changes in flow direction. Additionally, the lack of viscosity effects in Stokes flow contributes to this time-reversal symmetry. The discussion emphasizes that the fundamental nature of the flow dynamics under Stokes conditions leads to this unique characteristic. Understanding this concept is crucial for applications in fluid mechanics and related fields.