pbu0226 / A man doing karate, holding a book at a lectern, with a crowd in the background

1 person, active, adult, book, cartoon, color image, comical, desk, digitally generated image, energetic, funny, holding, humor, humorous, humour, humourous, illustration, karate, lectern, lecture, lecturer, lesson, martial art, multitask, multi-task, multitasking, multi-tasking, one man only, one person, reader, reading, skill, skilled, skillful, sport, square image, strength, strong, white background