From the lowest animals of which we can affirm intelligence up to man this type of intellect is found. – Edward Thorndike
The real difference between a mans scientific judgments about himself and the judgment of others about him is he has added sources of knowledge. – Edward Thorndike
Human folk are as a matter of fact eager to find intelligence in animals. – Edward Thorndike
Human beings are accustomed to think of intellect as the power of having and controlling ideas and of ability to learn as synonymous with ability to have ideas. But learning by having ideas is really one of the rare and isolated events in nature. – Edward Thorndike