My country is the world, and my religion is to do good. -Thomas Paine

When we try to pick out anything by itself, we find it hitched to everything else in the universe. – John Muir

There are two kinds of light — the glow that illuminates and the glare that obscures. -James Thurber

Never, never be afraid to do what’s right, especially if the well-being of a person or animal is at stake. Society’s punishments are small compared to the wounds we inflict on our soul when we look the other way. -Martin Luther King Jr.

My own experience and development deepen every day my conviction that our moral progress may be measured by the degree in which we sympathize with individual suffering and individual joy. -George Eliot

The art of progress is to preserve order amid change, and to preserve change amid order. -Alfred North Whitehead

Life is like a ten-speed bike. Most of us have gears we never use. -Charles Schulz

All men are brothers, we like to say, half-wishing sometimes in secret it were not true. But perhaps it is true. And is the evolutionary line from protozoan to Spinoza any less certain? That also may be true. We are obliged, therefore, to spread the news, painful and bitter though it may be for some to hear, that all living things on earth are kindred. -Edward Abbey

What is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your advantage. The mere act of believing that some wrongful course of action constitutes an advantage is pernicious. -Marcus Tullius Cicero

A ship in port is safe; but that is not what ships are built for. -Grace Hopper, computer scientist and US Navy Rear Admiral