If the general parts of objects are preserved large at first, they will
always admit of further enrichments of a small kind, but then they must
be so small as not to confound the general masses or quantities; thus,
you see, variety is a check upon itself when overdone, which of course
begets what is called a _petit taste_ and a confusion to the eye.

_Hogarth._


CXIX

Drawing includes everything except the tinting of the picture.

_Ingres._


CXX

One must always be drawing, drawing with the eye when one cannot draw
with the pencil. If observation does not keep step with practice you
will do nothing really good.

_Ingres._


CXXI

As a means of practising this perspective of the variation and loss or
diminution of the proper essence of colours, take at distances, a