HUMANIST
VALUES 223
are straight. No doubt
the straight lines which
boundthe
rectangular
formsofarchitecture,itsdoors
anditswindows,arechieflyrealised,notassensations
in
themselves,but asdefinitions
oftheshapesthey
enclose. Theirchiefuseistodeterminetheposition
ofa
patchuponagiven surface
;
and theaesthetic
valueofthiswill beconsideredin a moment. But
/any
emphasisuponverticallinesimmediatelyawakens
inusa
senseof
upwarddirection, andlines which
are spread—horizontal lines
—
convey suggestions
ofrest\ Thus thearchitecthasalready,inthe
lines
ofadesign,aconsiderableopportunity. Hecontrols
the
path of the eye
;
the path we follow is our
movement
;
movementdeterminesourmood,
/feut
lineisnotthesolemeansofaifectingour
sense
ofmovement. Space,also,
controlsit. Spacesmay
beintwodimensionsorinthree\ Wemay
consider
thesimplercase
first. Alarge partofarchitectural
design con^sts in the arrangement
of forms upon
surfaces, that
is to say, within spaces.
The part
which movement
here plays will be clear from a
commoninstance. Aman
whoisarrangingpictures
onawall
will say thatone is
'
crowded
'
or
'
lost
'
in the space it occupies,
that it
'
wants to
come
'
upordown.
That istosay,
the positionofforms
upon asurface
is realised in
terms ofour physical
consciousness. Ifa
certain patch
'
wants
tocome
'
down, we
ourselves,byour
unconsciousimitation
of