Have you ever heard that you cannot step twice into the same river? I have met this saying for the first time probably when attending a high school and learning about ancient Greek philosophers and their teachings. I was taught that it means the following: Everything changes and nothing stays the same. When you step into the same river for the second time, the water is not the same anymore and you are not the same either. At least your cells got older but you may also be more experienced, see life from a different perspective. I liked it and used the saying many times, emphasizing that when you do…