This was one of FDR's favorite statements of the Allied Aims. They consisted of: freedom of speech, freedom of warship, freedom of want, and freedom from fear. The actual idea came from a picture made by Norman Rockwell, portraying different values of American life.
Follow @TIME. For our happiness issue, TIME conducted a poll to find out what Americans do to find joy. Overall, 59% of respondents said they were happy most of the time, about the same percentage of those surveyed by TIME in 2004 when 61% said they were happy. But fewer people said they considered themselves optimists in 2013, 50%, as compared to 2004 when 79% called themselves optimists.
Every time we pass another population milestone â at the moment, weâre tallying a whole-Earth total of 7 billion â the question arises: How many people have ever lived on the planet? The Population Reference Bureau, or PRB, has an answer for that. (Make your guess now; the answer will appear lower down.) But itâs heavily qualified, and thereâs a story behind it. The story starts sometime in the 1970s, when a notion came into common conversation that the population was growing so fast that 75 percent of the people who had ever lived on Earth were currently alive.