If there is life, then I believe we should do nothing to disturb that life. Mars then, belongs to the Martians, even if they are microbes.

Somewhere, something incredible is waiting to be known.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

I don't want to believe. I want to know.

The absence of evidence is not the evidence of absence.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

For small creatures such as we the vastness is bearable only through love.

You have to know the past to understand the present.

Sometimes the price of dreams is achieving them.

Reconnect with nature and be restored.

There's no such thing as a sane woman.

I never got into using my phone's calendar. It's easier to write in my Tiffany day planner. There's something charming about having a datebook.

When people go through something rough in life, they say, "I'm taking it one day at a time." Yes, so is everybody. Because that's how time works.

How, like a moth, the simple maid Still plays around the flame!

Congratulations! You're a woman. Now die.

Persistence can change failure into extraordinary achievement.

The most costly disease is boredom costly for both individual and society.

When you get to know your self, you get to know everyone and everything on the planet.