Never be within doors when you can rightly be without. ~Home Education, Volume 1, Part 2, Charlotte Mason~
In the first place, do not send them; if it is anyway possible, take them; for, although the children should be left much to themselves, there is a great deal to be done and a great deal to be prevented during these long hours in the open air. And long hours they should be; not two, but four, five, or six hours they should have on every tolerably fine day, from April till October. ~Home Education, Volume 1, Part 2, Charlotte Mason~
Charlotte Mason, My Way 