Kevin Drum, on his site Jabberwocking, lists a few nuggets of wisdom. All of them are worthwhile, but these are my favs.

Tax cuts don’t boost economic growth in any meaningful way.
The real dietary villain of the modern era is refined sugar.
One out of seven people have no interior monologue.
Most people seem to have no idea what the racial makeup of America is. For the record, it’s 58% white, 20% Latino, 14% Black, and 6% Asian.
On a huge range of measures—economic, social, cultural, technological, and recreational—life in America is stupendously good. We should all feel a lot better about things than we do. One of the reasons we don’t is that both liberals and conservatives have a vested interest in claiming that the country is on the precipice of imminent collapse due to moral decay.
Vaccines do not cause autism.
Fox News is a cancer. It should be burned to the ground and the earth salted behind it.