![](http://www.alamy.com/thumbs/6/C2789991-B03B-4BF5-A4DE-8F4E659CADB0/2K8193H.jpg)
Nine-tenths of education is encouragement. Portrait of a professor with crossed arms in a classroom of students at a university.
Nine-tenths of education is encouragement. Portrait of a professor with crossed arms in a classroom of students at a university
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Photo credit: © Yuri Arcurs / Alamy / Afripics
License: Royalty Free
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