“Take care of the spaces, and the lines will take care of themselves”
from Practical knowledge for all by Sir John Hammerton c1950
On seeing with a pencil. Drawing is a means of education, of training hand and eye. It quickens the powers of perception and gives scope to the inventive faculties. It trains the eye to accuracy in observation, and the mind to attention, comparison, reflection and judgement
Mixy's Art Blog 