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"To say that mind is a product or function of protoplasm, or of its molecular changes, is to use words to which we can attach no clear conception."
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"I cannot squeeze the stars, but I can squeeze my mind to feel the moon compressed."

"The prehistorical and primitive period represents the true infancy of the mind."

"Everything we do is for the purpose of altering consciousness. We form friendships so that we can feel love and avoid loneliness. We read for the pleasure of thinking another person's thoughts. Every waking moment, and even in our dreams, we struggle to direct the flow of sensation, emotion, and cognition towards states of consciousness that we value."
Explore more quotes by Alfred Russel Wallace

"To say that mind is a product or function of protoplasm, or of its molecular changes, is to use words to which we can attach no clear conception."

"There is, I conceive, no contradiction in believing that mind is at once the cause of matter and of the development of individualised human minds through the agency of matter."

"In all works on Natural History, we constantly find details of the marvellous adaptation of animals to their food, their habits, and the localities in which they are found."

"I spent, as you know, a year and a half in a clergyman's family and heard almost every Tuesday the very best, most earnest and most impressive preacher it has ever been my fortune to meet with, but it produced no effect whatever on my mind."

"If this is not done, future ages will certainly look back upon us as a people so immersed in the pursuit of wealth as to be blind to higher considerations."

"I am decidedly of the opinion that in very many instances we can trace such a necessary connexion, especially among birds, and often with more complete success than in the case which I have here attempted to explain."

"Truth is born into this world only with pangs and tribulations, and every fresh truth is received unwillingly."

"What we need are not prohibitory marriage laws, but a reformed society, an educated public opinion which will teach individual duty in these matters."

"The foregoing considerations lead us to the very important conclusion, that matter is essentially force, and nothing but force; that matter, as popularly understood, does not exist, and is, in fact, philosophically inconceivable."

"But naturalists are now beginning to look beyond this, and to see that there must be some other principle regulating the infinitely varied forms of animal life."
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