Science has the cold facts, but lacks religion's social organization and ability to inspire that moves people to act.

Ten long trips around the sun since I last saw that smile, but only joy and thankfulness that on a tiny world in the vastness, for a couple of moments in the immensity of time, we were one.

A lot of people have this ego need that makes them want to believe that Earth is the center of the universe and humans are the most important species, the supreme expression of creation.

If you are searching for sacred knowledge and not just a palliative for your fears, then you will train yourself to be a good skeptic.

And what greater might do we possess as human beings than our capacity to question and to learn?

Carl did not want to believe. He wanted to know.

I guess I so desperately want to see us put this planet right. It's so horrifying to me that a fifth of us are starving every night, and that forty thousand children die every single day.

We smoked the way other American families would have wine with dinner. For us, it was our sacrament. It was something that made a great life sweeter in every possible way.

Interviewer: "Didn't [Sagan] want to believe?" Druyan: "He didn't want to believe. He wanted to know.

Science is nothing more than a neverending search for the truth.

Carl took on the military-industrial complex. He campaigned around the world for an end to the production of weapons of mass destruction. To him it was a perversion of science.

Grateful people are happy people. The more things you are grateful for, the happier you will be.

There is only one basic human right, the right to do as you damn well please. And with it comes the only basic human duty, the duty to take the consequences.

I'm big about washing my face before I go to bed, washing it when I wake up in the morning, getting good sleep and drinking a lot of water. Those are just easy things that you can do for your skin.

It takes discipline not to let social media steal your time.

I did come from a pretty independent-minded family.

That was not the biggest battle that ever was, but for me it always typified one thing; the dash, the ingenuity, the readiness at the first opportunity that characterizes the American soldier.

Age acquires no value save through thought and discipline

I've got a Range Rover. It's brilliant actually but it's manual.

Lots of people make the stage and it can seem very violent and over the top, but it's not really. It's always a kind of gentle ballet.

All for each, and each for all, is a good motto; but only on condition that each works with might and main to so maintain himself as not to be a burden to others.