- Elie Wiesel, Nobel laureate writer and Holocaust survivor
- Henry Van Dyke
- Friedrich Nietzsche
- Baltasar Gracian, Jesuit priest (1601 - 1658)
- Ashleigh Brillian (1933)
- Will Durant (1885 - 1981) and Ariel Durant (1898 - 1981)
- Voltaire (1694-1778)
- Mahatma Gandhi (1869-1948)
- Mahatma Gandhi
- Theodore Roosevelt
- Hans Blix, head of the United Nations Monitoring, Verification and Inspection Commission, March 12, 2003
- T.S. Eliot
- Theodore Roosevelt
- John Muir
- Dante (1265-1321), The Divine Comedy
- Margaret Mead
- Jean Baptiste Colbert, Financial Advisor to France's Louis XIV
- J. Martin Evans, William R. Kenan Professor of English, Stanford University
Man Must Conquer Nature.
- Mao Zedong (responsible for the deaths of more members of a particular race than any other human being)
From Johann Kasper Lavater
- Say not you know another entirely, til you have divided an inheritance with him.
From Charles Darwin
- The love of all creatures is the most noble attribute of man.
From Andy Warhol
- I think that having land and not ruining it is the most beautiful art that anybody could ever want.
From T. Jefferson Parker, in his mystery L.A. Outlaws
- Truly seeing is an inconvenience the mind will avoid.
- History is not made by the timid.
- ... past has shaped him. These are powerful things. You can enlist them or rebel against them but in your heart you always know the truth of who you are and you cannot escape it.
From D. Koontz, in his mystery Relentless
- The disintegration of rational society started in the drift from hearth and family; the solution must be a drift back, attributed to G.K. Chesterton, 1933.
- I loathed myself, my helplessness. Self-hatred is exhausting.
- In the hearts of modern men and women, there is an inescapable awareness that something is wrong with this slice of history they have inherited, that in spite of the towering cities and the mighty armies and the science-fiction technology made real, the moment is fragile, the foundation undermined.
Motto of Britain's Royal Air Force
- Per Ardua ad Astra (Through Struggle to the Stars)
From Jeremy Bentham, 18th Century Philosopher
- The question is not 'Can they reason?' nor, 'Can they talk?' but rather, 'Can they suffer?'
From St. Francis of Assisi, Patron Saint of Animals
- Not to hurt our humble brethren is our first duty to them, but to stop there is not enough. We have a higher mission - to be of service to them wherever they require it.
From William Hutchinson Murray (often misattributed to Goethe)
- The moment one definitely commits oneself, then Providence moves too. Whatever you think you can do, or believe you can do, begin it. Boldness has genius, power and magic in it.
From Aristotle, 384-322 BC, Parts of Animals
- In all things of nature there is something of the marvelous.
From Rachel Carson, The Sea Around Us
- It is a curious situation that the sea, from which life first arose, should now be threatened by the activities of one form of that life.
From Anne Lamott, Bird by Bird
- Hope begins in the dark, the stubborn hope that if you just show up and try to do the right thing, the dawn will come. You wait and watch and work: You don't give up.
From Eleanor Roosevelt
- You gain strength, courage and confidence by every experience in which you really stop and look fear in the face. You are able to say to yourself, "I have lived through this horror. I can take the next thing that comes along." You must do the thing you think you cannot do.
From Ted Perry, Screenwriter (often misattributed to Chief Seattle)
- Humankind has not woven the web of life. We are but one thread within it. Whatever we do to the web, we do to ourselves. All things are bound together. All things connect.
From Roger Tory Peterson, Naturalist and Ornithologist
- Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.
From Baba Dioum, Senegalese Conservationist
- In the end, we will conserve only what we love, we will love only what we understand, and we will understand only what we are taught.
From Jacques Cousteau, Ocean Explorer
- We forget that the water cycle and the life cycle are one.
From Sydney Smith, 1771-1845
- It is the greatest of all mistakes to do nothing because you can only do a little - do what you can.