According to the motto "moving mind in a moving body", the philosophers in ancient Greece dealt with the big questions of life while walking. The peripatetics (peripatos = Greek colonnade), the pupils of Aristotle, met in the hall and philosophised together while strolling. Our experience is that ideas flow while walking! Depending on the time and the question, specific topics and challenges can be dealt with in short walks or even mountain hikes, using the exertion of walkin