The poet indicates that when he is in a reflective or introspective state, these daffodils appear in his head and dreams. In his dreams, he discovers the significance of the internal eye. He realizes that the inner eye is a portal to the soul where thoughts and feelings are recognized. The poet also learns that the more we open up this inner world through meditation and reflection, the better we understand ourselves and others. Our eyes are the window to our soul. The poet has discovered this through experience - what goes on inside us can be understood only by looking within. Our eyes reveal our thoughts and feelings, and this knowledge allows us to see how other people think and feel. It teaches us about their needs and desires. It shows us their strengths and weaknesses. Most important, it tells us about them as a person. Through our eyes we get information about others' opinions of us. We see what they think of our appearance, our style, our abilities. We learn whether they like us or not. Sometimes, we even see things about ourselves in other people's eyes. For example, if someone says you're stupid, then you know for sure that you're not stupid. Or if they call you a liar, then you know for certain that you've told the truth.