Sadly the lessons of the Iraq war did not alert Nato leaders to the disastrous consequences of their punitive mission.
Sadly, the lessons were terminated by a recurring battle with cancer, although he recently worked on a cross-cultural project recorded at U2's studio in Dublin, collaborating with Gaelic artists in Irish-jazz-reggae-improvisations.
Sadly, the lessons learned from these experiences was that it's often easier and less effort to be unethical than ethical.
5. THE POWER OF LOVE The most important message to come out of this tragedy is, sadly, the lesson that we will likely forget soonest: forgiveness.
Sadly, however, the lessons of archaeology are rarely direct.
But while his life is sadly irretrievable, the lessons to be culled from his life are not.
Jesse Jackson once spoke sadly about a lesson that his mother had instilled in him when he was a child and she yanked him out of a whites-only bus seat that he had inadvertently sat in, and marched him to the Colored section.
But the main lesson, sadly learned every day, is that we still don't have good data on school environments, and worse, we ignore vulnerable children at risk or with exposures in schools.
A decade on, and sadly many of the lessons of those riots have yet to be learned.
He reported, with chagrin, that "the excitement has sadly interfered with the lessons of some of the hotheaded ones," but wrote with admiration of other boys who took "the matter coolly, as sensible young men" and did not "exhibit a very bellicose spirit nor vapor much about 'blood and thunder' and the 'cannon roar' and such like".
