One picture is worth 1000 words.
This puts some teeth in the concept of 'historic lows.'
Ten Year Note Yield with SP 500
Charts courtesy of Ralph Dillon at Global Financial Data
“One day, we will have to stand before the God of history. And we will talk in terms of things we've done. And its seems to me that I can hear the God of history saying, 'That was not enough. For I was hungry, and you fed me not. I was naked, and you clothed me not. I was devoid of a decent sanitary house to live in, and you provided no shelter for me. And consequently, you cannot enter the kingdom of greatness.'" Martin Luther King