List of Carl Sagan Quotes

Probably A Dozen Times Since Their Death I've Heard My Mother Or Father, In An Ordinary Conversational Tone Of Voice, Call My Name. They Had Called My Name Often During My Life With Them ... It Doesn't Seem Strange To Me.

If The Press Descended, The Science Would Surely Suffer.

In A Lot Of Scientists, The Ratio Of Wonder To Skepticism Declines In Time. That May Be Connected With The Fact That In Some Fields-mathematics, Physics, Some Others-the Great Discoveries Are Almost Entirely Made By Youngsters.

Books Are Key To Understanding The World And Participating In A Democratic Society.

We Have Begun To Contemplate Our Origins: Starstuff Pondering The Stars; Organized Assemblages Of Ten Billion Billion Billion Atoms Considering The Evolution Of Atoms; Tracing The Long Journey By Which, Here At Least, Consciousness Arose.

We Are An Intelligent Species And The Use Of Our Intelligence Quite Properly Gives Us Pleasure. In This Respect The Brain Is Like A Muscle. When We Think Well, We Feel Good. Understanding Is A Kind Of Ecstasy.

Clutching Our Crystals And Religiously Consulting Our Horoscopes, Our Critical Faculties In Steep Decline, Unable To Distinguish Between What's True And What Feels Good, We Slide, Almost Without Noticing, Into Superstition And Darkness.

I Don't Know The Answer. Maybe No One Knows. Maybe When You Grow Up, You'll Be The First To Find Out.

A Stars Rich In Europium; Of Distant Galaxies Analyzed Through The Collective Light Of A Hundred Billion Constituent Stars. Astronomical Spectroscopy Is An Almost Magical Technique. It Amazes Me Still. Auguste Comte Picked A Particularly Unfortunate Example.

Our Loyalties Are To The Species And The Planet. We Speak For Earth. Our Obligation To Survive Is Owed Not Just To Ourselves But Also To That Cosmos, Ancient And Vast, From Which We Spring.

We Are At A Crossroads In Human History. Never Before Has There Been A Moment So Simultaneously Perilous And Promising. We Are The First Species To Have Taken Evolution Into Our Own Hands.

The Desire To Be Connected With The Cosmos Reflects A Profound Reality, But We Are Connected; Not In The Trivial Ways That Astrology Promises, But In The Deepest Ways.