* "hard day's adventuring" refers to The Beatles song/movie [http://en.wikipedia.org/wiki/A_Hard_Day%27s_Night_(song) A Hard Days Night] from 1964. | * "hard day's adventuring" refers to The Beatles song/movie [http://en.wikipedia.org/wiki/A_Hard_Day%27s_Night_(song) A Hard Days Night] from 1964. |