...The German canary fanciersturned their attention to developing the song of the bird, the Belgianand British fanciers to making and perfecting shape and color varieties... 
John H. Robinson 「Our Domestic Birds」
...This is not a matter for teaching, arttraining being only concerned with perfecting the means of itsexpression...
Harold Speed 「The Practice and Science Of Drawing」
...Itsessence is riches, its activity is giving and perfecting, and whileit is a delight to the highest, it is also a boon to those beneath them...
Anthony M. Ludovici 「Nietzsche and Art」
...“We were two hundred years building and perfecting this,” the other told him...
Various 「Astounding Stories of Super-Science January 1931」
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