Copy-space paper brain with light bulb
Adorable brown and white basenji dog smiling and giving a high five isolated on white
Friendly smart basenji dog giving his paw close up isolated on white
Concentrated girl surrounded by books
Proud little boy with glasses and graduation cap
Cute teddy wearing eyeglasses against black chalkboard
Cute teddy wearing eyeglasses against green background
Serious thoughtful clever scientific worker wears spectacles, has beard, curves lower lip,
Classmates working together
Young female in checkered shirt, jacket pointing at upper left corner and looking pensive , front view.
Little bookworm wrapped up in reading
Portrait of a cute young boy in glasses thinking over blackboard background
Cute teddy wearing glasses against blackboard banner
Photo of surprised teacher indicates aside with index finger, has light straight hair, keeps mouth opened with amazement
Happy family of father and son child playing chess on green grass in park outdoor fathers day
Hmm, let me think. picture of emotional handsome boy with fair hair pursuing lips having pensive thoughtful facial expression, trying to recollect something, dressed in white shirt, posing isolated
Impressed fascinated cute clever blond girl explain something big stretch hands showing huge enormous vast product open mouth and stare camera thrilled standing speechless white background
Open old books stacked closeup on blurred background
Woman sitting at table working with microscope
Smart blonde female photographer in trendy clothes posing while leaning on a professional camera with a tripod at a studio, looks at the camera. isolated on a dark background.
Serious female freelancer making notes in notepad while working on remote project
Beauty blonde female photographer in glasses wearing a white blouse and black leather jacket holds a professional camera with a tripod, posing at a studio. isolated on a dark background.
Tall smart arab student man wear on black jeans jacket and eyeglasses at library with book at hands
Cute teddy wearing glasses against blue background
Handsome, young american business man, freelancer in casual clothes in bar, relaxing with cup of coffe.
African american man playing chess match with friends, serving alcoholic drinks and snacks in apartment. group of happy people enjoying fun gathering with beer and board games.
Cute teddy wearing glasses and blackboard banner
Smiling pretty young woman in hat on picnic in park
Headshot of satisfied dark skinned bookworm happy to finish reading bestseller
Smiling pretty young woman in hat and reading book on picnic in park
Outdoor shot of curly haired female student sits outdoors in front of opened laptop computer writes down notes in notepad prepares for lesson poses against modern city building e learning concept
Cute teddy wearing eyeglasses against red background
Teenage girl holding reusable bottle on pink background.
Attractive stylish short beard grandfather using smartphone with granddaughter
Girl reading alone
Black woman reading book in library
Group of people thinking about next move at chess board game, playing together with alcoholic drinks and snacks. cheerful friends having fun with modern gaming activity for leisure.
Studio shot of a clever young man in a yellow casual t-shirt, glasses and black watches talking on the mobile phone and gesticulating while posing over a blue background. stylish haircut. sincere emot
Smart fashionable blogger female in modern clothes and glasses, poses with digital tablet. isolated on a gray background.
Portrait of a fashionable blogger female in modern clothes working on a digital tablet while sitting on a chair at a studio. isolated on a gray background.
Portrait of a smart blonde female photographer in a white blouse and black leather jacket posing with a camera at a studio. isolated on a gray background.
Smiling man reading textbook near friends
Fashion blonde woman in trendy clothes and glasses posing in studio. isolated on a gray background.