The state or quality of being intense; intenseness; extreme degree; as, intensity of heat, cold, mental application, passion, etc.
The amount or degree of energy with which a force operates or a cause acts; effectiveness, as estimated by results produced.
The magnitude of a distributed force, as pressure, stress, weight, etc., per unit of surface, or of volume, as the case may be; as, the measure of the intensity of a total stress of forty pounds which is distributed uniformly over a surface of four square inches area is ten pounds per square inch.
Happiness is not a matter of intensity but of balance, order, rhythm and harmony. Thomas Merton
The best training program in the world is absolutely worthless without the will to execute it properly, consistently, and with intensity. John Romaniello
A fascist is one whose lust for money or power is combined with such an intensity of intolerance toward those of other races, parties, classes, religions, cultures, regions or nations as to make him ruthless in his use of deceit or violence to attain his ends. Henry A. Wallace
If a leader doesn't convey passion and intensity then there will be no passion and intensity within the organization and they'll start to fall down and get depressed. Colin Powell
After Hiroshima was bombed, I saw a photograph of the side of a house with the shadows of the people who had lived there burned into the wall from the intensity of the bomb. The people were gone, but their shadows remained. Ray Bradbury