Dreams
Dreams are successions of images, ideas, emotions, and sensations that occur involuntarily in the mind during certain stages of sleep. The content and purpose of dreams are not definitively understood, though they have been a topic of scientific speculation, as well as a subject of philosophical and religious interest, throughout recorded history. The scientific study of dreams is called oneirology. Scientists believe that, in addition to humans, certain birds and the majority of mammals also dream.
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Famous quotes containing the word dreams:
“In dreams begins responsibility.”
—William Butler Yeats (1865–1939)
“They will tell me I talk about things I have never experienced but only dreamed—to which I might reply: it is a lovely thing to dream such dreams! And besides, our dreams are much more our experiences than we believe—we must relearn about dreams! If I have dreamed thousands of times about flying—would you not believe that when I am awake I also possess feelings and needs giving me an edge on most people—and...”
—Friedrich Nietzsche (1844–1900)
“Our dreams are a second life. I have never been able to penetrate without a shudder those ivory or horned gates which separate us from the invisible world.”
—Gérard De Nerval (1808–1855)