Soul, soul is nothing. Can you see it, smell it, touch it? No.

It's important to underscore that it is not mediocre test scores that have caused the major problems in the U.S. It has been unnecessary wars, ranging from Vietnam to Iraq, and unfair financial practices on Wall Street. And these were brought about by 'the best and the brightest,' many of whom were educated at my own institution.

We need to invest in healthcare, in education, in the sciences. And in so doing, we will tackle one of the most intractable problems we face, which is gross wealth inequality. We can't fight climate change without dealing with inequality in our countries and between our countries.

The day after my high school graduation in 1952, I headed to Alaska. I was 17. I started out greasing equipment, then became a heavy-crane operator. I made and saved good money there for two years.

A drinker has a hole under his nose that all his money runs into.