Best emojis for thought💭🧠

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thought balloon
thinking, idea, imagination, reflection, retro, cloud, dream, hypothesis, what if, imagine, assume, assumption, expectation, consider, theory, supposed, concept
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brain
mind, intelligence, cognitive, thinking, thought, head, knowledge, skill, ability, smart, wisdom, algorithm, logic, reasoning, problem solving, insightful, understand, understanding, belief, sense, realize, realization, memory, remember, behavior, potential, mental, neural, theory