"It is a good thing to proceed in order and to establish propositions. This is the way to gain ground and to progress with certainty."

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Those of us who work in this field see a developing potential for nearly a total control of human emotional status, mental functioning, and will to act. These human phenomena can be started, stopped or eliminated by the use of various types of chemical substances. What we can produce with our science now will affect the entire society." A "utopia" could be found - providing "a sense of stability and certainty, whether realistic or not.

— Nathan S. Kline