Questions asked in TV commercials aired in 1993: “Have you ever borrowed a book thousands of miles away? Or sent someone a fax from the beach? Have you ever paid a toll without slowing down? Have you ever watched a movie you wanted to, the minute you wanted to?” The answer: “You will. And the company that will bring it to you? AT&T.”

“Why is life a perpetual preparation for something that never happens?” W.B. Yeats asked in his journal, September 16, 1909.

“Have reserved two tickets for my first night. Come and bring a friend, if you have one,” wired George Bernard Shaw to Winston Churchill, referring to Pygmalion’s premiere. “Impossible to come to first night. Will come to second night, if you have one,” Churchill wired back.

“Six days, six weeks. I doubt six months,” said Donald Rumsfeld, on February 7, 2003, about the duration of the Iraq war. “Whatever happens in Vietnam, I can conceive of nothing except military victory,” Dwight D. Eisenhower said in 1967. Four years before that, Robert McNamara asserted, “The war in Vietnam is going well and will succeed.”

On the future of history, Thucydides speculated that since there are no “temples or monuments of magnificence” in Sparta, “future generations would find it very difficult to believe” that it once commanded two-fifths of the Peloponnesus; while those same generations would conclude from the impressive ruins of Athens that it was “twice as powerful as it in fact was.”