Serious female choosing book from bookshelf
Selective focus of a the king and queen of a classic wooden chess board with golden chess pieces
Hand Moving Pawn on Glass Chess Board in Game
Smiling woman with books looking at camera in bookstore
Asian little child girl water the plants. kid helps to care for the plants in the garden.
Hand of chess pieces
Best foods for brain and memory on pink background. Food for mind and charge of energy.
Excited positive boy got solution for problem, gesturing finger up
Smart schoolgirl in uniform and glasses with book
handsome businessman in glasses touching something isolated on grey, artificial intelligence concept
Focused black businessman with tablet and papers
Dedicated student focused on studies in a library environment on a serene afternoon
Young manager working on laptop in workspace
Thoughtful young woman thinking on project
Thoughtful teen girl child wearing jeans dress with finger thinking
Hopeless man sitting with documents on sofa
Pensive ethnic woman reading diary in summer garden
top view of walnuts in nut shells as dementia symbol on wooden table
A black graduation cap on a stack of colorful books.
Guy Holding Cup of Coffee and Reading Book
Focused man using laptop and taking notes in cafe
Clever dog
hand of businessmen moving chess in competition shows leadership, followers and business success
Reflection of smiling woman with book near fence
Smiling asian woman works on laptop with open book in home office
Young european executive or ceo standing with her arms crossed and smiling. Career and leadership.
Smart woman having break with book
handsome technologist in protective glasses touching something isolated on white, artificial
Smart schoolboy looking at camera in park
African American student reading his notebook while sitting on the campus lawn. Young man with
