We were gradually playing larger venues and in the early days PA systems were kind of non-existent. So to play loud, we had to use louder equipment. The PA systems back then didn't mic the instruments - only the vocals.
But I made one mistake which I would never repeat as a member of Congress when I was in Washington, and that was when I was elected I didn't go on trips because I was so afraid of having someone accuse me of taking junkets.
Every time a student walks past a really urgent, expressive piece of architecture that belongs to his college, it can help reassure him that he does have that mind, does have that soul.