Some racists still reject the plain testimony written in the DNA that all the races are not only human but nearly indistinguishable. . . .

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.

Kicking is very important in football. In fact, some of the more enthusiastic players even kick the ball, occasionally.

Less than 7 hours of sleep at night causes lower overall brain function.

In my day, everything came from my belly button and seat of the pants. Today, everything is done from research.

Sing and your hell is heaven, your heaven less hell.

You're not a historian, but most historians will tell you that they make very discrete judgment as to what facts to omit in order to make their book into some shape, some length that can be managed.

The study of law is sublime, and its practice vulgar.

Dissatisfied with what I am, I want to be a better man.

The beautiful thing about setbacks is they introduce us to our strengths.

I'm enjoying my life, post-menopause, so much. It's just so great to grow into yourself, and not be bothered with all that tyranny of biology.

Adding functionality is not just a matter of adding code.