The concept of time-evolving classical matter filed--originally formulated by Einstein in his condensation papers (1924-1925)--remained abandoned for half a century. Starting with a historical overview, I will proceed with demonstrating how the idea of turbulent matter field is central for qualitative and quantitative description of non-perturbative fluctuational behavior of Bose gas in the vicinity of the critical temperature, as well as for understanding the scenario of essentially non-equilibrium kinetics of Bose-Einstein condensation.