Dogs get lost hundreds of times and no one ever notices it or sends an account of it to a scientific magazine.
Edward ThorndikeWhatever exists at all exists in some amount. To know it thoroughly involves knowing its quantity as well as its quality.
Edward ThorndikeIt will of course, be understood that directly or indirectly, soon or late, every advance in the sciences of human nature will contribute to our success in controlling human nature and changing it to the advantage of the common wheel.
Edward Thorndike