THE art of concentration is one of the simplest to learn, and one of the greatest when mastered; and these pages are written especially for those who wish to learn how to master this fine art in all of its aspects; who wish to develop the power to concentrate well at any time and for any purpose; who wish to make real concentration a permanent acquisition of the mind.
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|Size: ||480 KB|
|Date published: || 2016|
|ISBN: ||9781329823136 (DRM-EPUB)|
|Read Aloud: ||not allowed|