Put the meaning into your own words.

Her visionary proposal gave the group an ambitious goal that still needed a workable schedule.

For Nolan, the intrinsic pleasure of arranging shapes belonged to the activity itself, even when nobody offered a prize or public praise. A small exhibition could also have merit because its thoughtful selection invited viewers to notice connections among the works. His friend's visionary proposal imagined a network of shared neighborhood galleries, a possibility far beyond their immediate display.