TEXTBOOK OF LANDSCAPE GARDENING 
obvious practical purpose this dominating purpose reconciles all 
parts and unifies the whole. 
In actual practice the most powerful means of securing unity 
lies in adopting a clear-cut motive (see below) and adhering rigidly 
to it. 
Variety 
Next to unity stands variety as a fundamental necessity in art. 
Indeed art is sometimes defined as unity in variety. To make a 
work of art permanently interesting and pleasing a certain amount 
of variety is needful. 
Fic. 4. Tae Broox Motive 
Obviously there is a certain antagonism between unity and 
variety. Either one would be comparatively easy to achieve if the 
other could be disregarded. Yet the two are not incompatible. 
It is nearly always possible to secure both in the same composition. 
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