![](http://www.alamy.com/thumbs/6/BB24A9D7-D2EB-4CA2-9B2C-A0D5912EFF2F/2PT9JBR.jpg)
Nine-tenths of education is encouragement. Portrait of a professor with crossed arms in a classroom of students at a university
Size: 5331px × 3048px
Photo credit: © Yuri Arcurs peopleimages.com / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 30s, adult, arms, authentic, beautiful, campus, casual, caucasian, classroom, college, confident, content, copyspace, crossed, diverse, education, ethnic, exam, female, glasses, group, happy, learning, lecture, lesson, lifestyle, natural, people, person, portrait, positive, professional, professor, real, school, smiling, standing, student, studying, teacher, teaching, test, university, waiting, woman, work, working, writing, young