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“By 1940 the literacy figure for all states stood at 96 percent for whites. Eighty percent for blacks. Notice for all the disadvantages blacks labored under, four of five were still literate. Six decades later, at the end of the 20th century, the National Adult Literacy Survey and the National Assessment of Educational Progress say 40 percent of blacks and 17 percent of whites can't read at all. Put another way, black illiteracy doubled, white illiteracy quadrupled, despite the fact that we spend three or four times as much real money on schooling as we did 60 years ago.”

“We had the great depression, we had two world wars, we had the flu epidemic. We had oil shock. We had all these terrible things happen. But something about the American system unleashed more and of a potential to human beings over that hundred years so that we had a seven for one improvement in - there's never been any - I mean, you have centuries where if you've got a 1 percent improvement, then it's something. So we've got a great system. And we've got more productive capacity now than we ever have.”

“There is some evidence that average wave heights are slowly rising, and that freak waves of eighty or ninety feet are becoming more common. Wave heights off the coast of England have risen an average of 25 percent over the past couple of decades, which converts to a twenty-foot increase in the highest waves over the next half century. One cause may be the tightening of environmental laws, which has reduced the amount of oil flushed into the oceans by oil tankers.”

“At the beginning of the 20th century, before the migration began, 90 percent of all African-Americans were living in the South. By the end of the Great Migration, nearly half of them were living outside the South in the great cities of the North and West. So when this migration began, you had a really small number of people who were living in the North and they were surviving as porters or domestics or preachers - some had risen to levels of professional jobs - but they were, in some ways, protected because they were so small.”

“Even if we planted a tree on every square yard available in the planet by the end of the century we would only capture at most 10 percent of the CO2 we need to reduce. This does not mean that we should not plant trees; we should, for biodiversity's sake, and for our long-term future together with the other species.”

“In the beginning of the 19th century, maybe forty percent of women and fifty percent of men could produce a signature, which meant that they'd had at least three years of education because it was in third grade that people started penmanship in the 19th century. And of course black people could get killed if they got caught teaching themselves to read in some parts of the country.”

“If you go back and you look at the presidency over the course of history, presidents tend to do what they campaigned on. In the 20th century, presidents between Woodrow Wilson and Jimmy Carter accomplished 73 percent of the things that they said they would do as candidates. Part of that is because once they get into office, their credibility, their ability to do anything depends on doing the things that they said they would.”

“There was a study done in the early 20th century of all the entrepreneurs who entered the automobile industry around the same time as Henry Ford; there were something like 500 automotive companies that got funded, had the internal combustion engine, had the technology, and had the vision. Sixty percent of them folded within a couple of years.”