π―π―π―π―π―π―π―π―π―π―π― βDuncan, have I not told you that when you think you know something, that is a most perfect barrier against learning?β π―π―π―π―π―π―π―π―π―π―π― βDuncan, have I not told you that when you think you know something, that is a most perfect barrier against learning?β π―π―π―π―π―π―π―π―π―π―π― βDuncan, have I not told you that when you think you know something, that is a most perfect barrier against learning?β π―π―π―π―π―π―π―π―π―π―π― βDuncan, have I not told you that when you think you know something, that is a most perfect barrier against learning?β π―π―π―π―π―π―π―π―π―π―π― βDuncan, have I not told you that when you think you know something, that is a most perfect barrier against learning?β π―π―π―π―π―π―π―π―π―π―π― βDuncan, have I not told you that when you think you know something, that is a most perfect barrier against learning?β