First Causes Are Outside The Realm Of

The Fact That Knowledge Endlessly Recedes As The Investigator Is About To Grasp It Is What Constitutes At The Same Time His Torment And Happiness.

The Mental Never Influences The Physical. It Is Always The Physical That Modifies The Mental, And When We Think That The Mind Is Diseased, It Is Always An Illusion.

In The Philosophic Sense, Observation Shows And Experiment Teaches.

The True Worth Of An Experimenter Consists In His Pursuing Not Only What He Seeks In His Experiment, But Also What He Did Not Seek.

In Every Enterprise ... The Mind Is Always Reasoning, And, Even When We Seem To Act Without A Motive, An Instinctive Logic Still Directs The Mind. Only We Are Not Aware Of It, Because We Begin By Reasoning Before We Know Or Say That We Are Reasoning, Just As We Begin By Speaking Before We Observe That We Are Speaking, And Just As We Begin By Seeing And Hearing Before We Know What We See Or What We Hear.