I came across a blog post by Daryl Balcombe, who expresses that common wish for a sketchbook to be full of beautiful, finished work on every page, but acknowledges that it’s ok if it isn’t:

at the end of the day a sketchbook is the right place for me to scrawl and vent my frustrations rather than on finished pieces of work :-

I think these pages are great…

 

via A brush or a spade………: Sketchbooks.