An Intelligence That Is Not Humane Is

The Indifference, Callousness And Contempt That So Many People Exhibit Toward Animals Is Evil First Because It Results In Great Suffering In Animals, And Second Because It Results In An Incalculably Great Impoverishment Of The Human Spirit. All Education Should Be Directed Toward The Refinement Of The Individual's Sensibilities In Relation Not Only To One's Fellow Humans Everywhere, But To All Things Whatsoever.

Scientists Do Not Believe In Fundamental And Absolute Certainties. For The Scientist, Certainty Is Never An End, But A Search; Not The Ordering Of Certainty, But Its Exploration. For The Scientist, Certainty Represents The Highest Degree Of Probability.

The Moments Of Happiness We Enjoy Take Us By Surprise. It Is Not That We Seize Them, But That They Seize Us.

... The Main Principle By Which Human Beings Must Guide The Future Course Of Their Development Is Love.

The Eskimos Live Among Ice All Their Lives But Have No Single Word For Ice.