Oscillator Strength/thomas%e2%80%93reiche%e2%80%93kuhn Sum Rule

Famous quotes containing the words strength, sum and/or rule:

    “When the shadow of death blots out my joy
    And erases the face of the sun
    Give me strength to endure, hope to believe
    That living and dying are one.”
    —William L. Wallace (20th century)

    “To help, to continually help and share, that is the sum of all knowledge; that is the meaning of art.”
    —Eleonora Duse (1859–1924)

    “They can rule the world while they can persuade us
    our pain belongs in some order.
    Is death by famine worse than death by suicide,
    than a life of famine and suicide ... ?”
    —Adrienne Rich (b. 1929)