Sometimes countries draw correct lessons from their historical failures. (blog.politics.ox.ac.uk)
Teachers tend to use a Teacher Edition for several years, so minor discrepancies may appear if we have corrected the Lesson Sheets before you get a new book. (excelmath.com)
There's another recession out there somewhere and it is essential that we the correct lessons regarding what worked and what didn't from the last one. (jaredbernsteinblog.com)