is the symbol 18th century alchemists used to indicate abstrahere, “...withdraw or separate from material objects or practical matters.”

I see a lot and I speak to many people. I read a lot and I travel by train quite often. Good moments to think about sense and nonsense of all sorts of questions. And when once again valuable thoughts have come up, these will be mentioned in this blog. Mostly on bio-based subjects, or on sustainability, but always in relation to Abstraction’s field of interest.