In the summer you want fresh, light and sort of quick things; in winter you want things that are comforting, so your body really tells you you want to go towards potatoes, apples, fennel, things that are warm and comforting. And loin of pork.
In recent years, more and more of my time has become absorbed by administrative work for the research council of ETH-Z of which I am presently the president.
The great corrupter of public man is the ego. Looking at the mirror distracts one's attention from the problem.