It seems what Van Gogh was trying to express is the inherent dynamic of nature. He was apparently an excellent classical artist and as he matured, his work became increasingly impressionistic. Which is an effort to actually capture the essence of the light, not just the photographic clarity we normally try to perceive.
Consider that how our vision and perception works is to extract a static image, idea, even equation from what we would otherwise perceive as blurry, because it is dynamic.
Classical knowledge has always been relational, in that it is based on metaphor and analogy. The theistic assumption has been there is some objective, omniscient, bird's eye view, but that ideal remains purely conjectural. The only absolute is zero.
The prime example is how we treat time. As these mobile organisms, our experience is as a sequence of perceptions, logically necessary to navigate, so we think of time as the point of the present, moving past to future. From which physics has created this entirely convoluted dimensional model, based on measures of duration, in which the events are treated as more real than the process generating them.
The evident reality is that change turns future to past. Tomorrow becomes yesterday, because the earth turns. Duration is the present, as the events rise and fall.
There is no literal dimension of time, because the past is consumed by the present, to inform and drive it. Aka, causality and conservation of energy. Cause becomes effect.
Time is asymmetric because it is a measure of action and action is inertial. The earth only turns one direction.
Different clocks run at different rates simply because they are separate actions. Think metabolism.
They sychronize by becoming "entangled." Though sometimes they simply harmonize.
Energy is conserved, because it is present. It creates time, as well as temperature, pressure, color and sound. Time is frequency, events are amplitude.
So energy, as process and present, goes past to future, while the patterns generated go future to past.
In terms of a wave, the energy drives it, while the fluctuations rise and fall.
Consider that consciousness also goes past to future, while perception, emotions and thoughts go future to past.
Now remember that physics is entirely focused on the information and treats it as foundational. It from bit.
Yet, for some reason, these models keep going in circles.
Go and just look at The Starry Night, without trying to extract some clear concept of it.