The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Seneca thought that anger is a temporary madness, and that even when justified, we should never act on the basis of it.
The idea can be traced to the Stoic philosopher Epictetus.
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