It has been generally the custom of writers on natural history to take the habits and instincts of animals as the fixed point, and to consider their structure and organization as specially adapted to be in accordance with them.
Alfred Russel WallaceTo 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
Alfred Russel WallaceIn my solitude I have pondered much on the incomprehensible subjects of space, eternity, life and death.
Alfred Russel Wallace