Best emojis for know💡☝️😏😼🤷🤷‍♂️🤷‍♀️🧠🏫📕

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💡
light bulb
lightbulb, bright, electricity, energy, idea, learning, innovation, inspiration, interesting, know, knowledge, lamp, smart, solution, tip, wisdom, insightful, invention, TIL (Today I Learned), implementation, fyi, approach
☝️
index pointing up
point up, finger, one, single, 1, know
😏
smirking face
smirk, flirting, you know, smug, cocky, sly, playful
😼
cat with wry smile
sassy, smirk, flirting, you know, smug, cocky, sly, playful
🤷
person shrugging
not sure, IDK (I don't know), uncertain, shrug, whatever, indifferent, oh well
🤷‍♂️
man shrugging
not sure, IDK (I don't know), uncertain, shrug, whatever, indifferent, oh well
🤷‍♀️
woman shrugging
not sure, IDK (I don't know), uncertain, shrug, whatever, indifferent, oh well
🧠
brain
mind, intelligence, cognitive, thinking, thought, head, knowledge, skill, smart, wisdom, algorithm, logic, reasoning, problem solving, insightful
🏫
school
education, learn, teach, classroom, student, knowledge, study, college, university, grade
📕
closed book
textbook, book, library, information, knowledge, literature, notes, reading, writing, journal, diary, study, dictionary, glossary