The contributors of quotations to Cause for Thought are:-

A
Diane Ackerman, - Henry Brooks Adams, - Phillip Adams, - Freda Adler, - Theodore W. Adorno, - Alan Alda, - Muhammad Ali, - Steve Allen, - Carl Ally, - Randall Anway, - Chris Argyris

B
Richard Bach, - Francis Bacon, - Walter Bagehot, - George Balanchine, - John Kendrick Bangs, - Sondra Anice Barnes, - Peter Soyer Beagle, - Sue Birchmore, - Anne Blair, - William Blake, - Niels Bohr, - Napoleon Bonaparte, - Deitrich Bonhoeffer, - Jorge Luis Borges, - Ray Bradbury, - Sarah Ban Breathnach, - Charles Browder, - Steve Brunkhorst, - Giordano Bruno, - Bill Bryson, - Siddhartha Gautama Buddha, - John Burroughs, - Leo F. Buscaglia

C
John Cage, - Joseph Campbell, - Albert Camus, - Ralph Caplan, - Frank Capra, - Dale Carnegie, - Alexis Carrel, - Jim Carrey, - Lewis Carroll, - Joyce Cary, - Louis-Ferdinand Céline, - Joyce Chapman, - Anton Pavlovich Chekhov, - G.K. Gilbert Keith Chesterton, - Chief Seattle, - Noam Chomsky, - Deepak Chopra, - John Anthony Ciardi, - Marcus T. Cicero, - Coffee Maestro, - Jim Coleman, - Charles Caleb Colton, -  Confucius, - Bill Cosby, - Philip Crosby, - Edward Estlin Cummings

D
Leonardo Da Vinci, - Mortimer Jerome Dale, - Robyn Davidson, - Miles Davis, - Alain de Botton, - Anthony de Mello, - Agnes de Mill, - Alfred de Musset, - Max De Pree, - Peter de Vries, - Irwin. Dermer, - Jack Dixon, - Lou Dorfsman, - Peter Drucker, - Henry Drummond, - Charles Du Bos

E
Marian Wright Edelman, - Albert Einstein, - Loren Corey Eiseley, - Muhammad Anwar el Sadat, - T.S. Eliot, - Ralph Waldo Emerson, - Werner Erhard, - M. C. Escher, - Bergen Evans, - Jane Evershed

F
François Fenelon, - Marilyn Ferguson, - Richard Feynman, - Marshall Fishwick, - Ella Fitzgerald, - F. Scott Fitzgerald, - Paul Fix, - Malcolm Stevenson Forbes, - John Robert Fowles, - Robert Fritz, - Erich Fromm, - Robert Frost, - James W. Fulbright

G
Eduardo Hughes Galeano, - Galilei Galileo, - Indira Gandhi, - Mohandas Karamchand Gandhi, - Jose Ortega y Gasset, - Bill Gates, - Jean Paul Getty, - Paul Gauguin, - Kahlil Gibran, - André Gide, - Stephen Girard, - Johann Wolfgang von Goethe, - Oliver Goldsmith, - Kenneth H. Gordon Jr., - Howard Gossage, - Stephen J. Gould, - Dr. Milton Greenblatt, - Katie Greenwood, - Richard Gregory

H
Dag Hjalmar Agne Carl Hammarskjõld, - Michael Martin Hammer, - Thich Nhat Hanh, - Kurt Hanks, - David R. Hawkins, - Samuel Ichiye Hayakawa, - Cynthia Heimel, - Werner Heisenberg, - Robert Henri, - James Leo Herlihy, - Don Herold, - Hillel, - Eric Hippeau, - Oliver Wendell Holmes Jr., - John Holt, - Holy Cross Primary School., - Soichiro Honda, - Alfred Edward Housman, - Elbert Hubbard, - Trinidad D. Hunt, - Thomas Henry Huxley

I
I Ching

J
Jesse Jackson, - William James, - Anna Jameson, - Storm Jameson, - Gerald Jampolsky, - Naomi Judd, - Carl Gustav Jung

K
Alfred Kazin, - Alan Keightley, - John Fitzgerald Kennedy, - Kennedy Susan Ariel Rainbow Kennedy, - Keorapetse Kgositsile, - Martin Luther King Jr., - Rudyard Kipling, - Alfred Korzbyski, - Karl Kraus, - Jiddu Krishnamurti, - Tuli Kupferberg

L
Lau-tzu, - Louis L’Amour, - George Land, - Alexandru, - Auguste Ledru-Rollin, - Ursula K Le Guin, - Madeleine L’Engle, - Ernst Levy, - I Lubbock

M
Arthur Maderson, - David Mamet, - Manly’s Maxim, - Steve Mariucci, - Donald, - Robert Perry Marquis, - Ralph Marston, - Demetri Martin, - Abraham Maslow, - Henri Matisse, - Konosuke Matsushita, - Marshall, - Herbert McLuhan, - Michael McMaster, - Margaret Mead, - Donella “Dana” Meadows, - Henrietta Mears, - Maria Mitchell, - Michel Eyquem de Montaigne, - Rev. Mary Manin Morrissey, - Christopher Morley, - Charlie Munger

N
John Naisbitt, - R. K. Narayan, - Friedrich Wilhelm Nietzsche, - Anais Nin, - Louis Nizer, - Sherpa Tenzing Norgay

O
David Ogilvy, - Patrick. Overton

P
Dave Packard, - Grace Paley, - Jay Parry, - Louis Pasteur, - Anne Perry, - Tom Peters, - Professor Jeffrey Pfeffer, - Robert M. Pirsig, - Max Planck, - Robert Anthony Plant, - Plato, - Marcel Valentin Louis Georges Eugène Proust, - Thomas Pynchon

Q
Anna Quindlen

R
Gilder Susan Radner, - Marie Beyon Ray, - Bernice Johnson Reagon, - Odilon Redon, - Jules Renard, - Rainer Maria Rilke, - Anthony Robbins, - John D. Rockefeller Jr., - Jim Rohn, - Richard Rose, - Harold Rosenberg, - Rumi, - John Ruskin

S
Carl Sagan, - Antoine de Saint-Exupéry, - Dr. Chang Yu Sang, - Susan Sarandon, - Allen Saunders, - John Schaar, - Roger Schank, - Edwin Schlossberg, - Robert H. Schuller, - Albert Schweitzer, - Science and Spirit, - William Shakespeare, - George Bernard Shaw, - George Sheehan, - Denise Shekerjian, - Susan Shinn, - Shel Silverstein, - Thomas Simmons, - Samuel Smiles, - Ralph W Sockman, - Pamela Vaull Starr, - Leon J. Suenes, - Thomas Szasz

T
Tagalog, - Susan L. Taylor, - Alfred Lord Tennyson, - Henry David Thoreau, - Leo Tolstoy, - Turkish proverb., - Chris Turner, - Mark—Samuel Langhorne Clemens Twain

U
Steve Unwin

V
Wernher Magnus Maximilian Freiherr Von Braun, - Roger von Oech

W
Karl Wallenda, - William Arthur Ward, - Garry Watts, - Jack Welch, - Flora Whittemore, - Robert Wieder, - Marianne Williamson, - Laura, - Ingalls Wilder, - Tennessee Williams, - Ludwig Wittgenstein, - John Wooden, - Steven D. Woodhull, - Woody animated character in Toy Story.

Y
William Butler Yeats, - James Yorke, - Muhammad Yunus, - Lin Yutang

Insert46
Insert48
Insert49
Insert50
Insert51