We humans appear on the cosmic calendar so recently that our recorded history occupies only the last few seconds of the last minute of December 31st.

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.

In the autumn of your years don't make it so that what you look back on is regret. Live your life now so that whatever you do gives some sunshine before you head into the winter of your life.

Sixth grade was a big time, in my childhood, of hoops and friendship, and coming up with funny things.

Avarice and injustice are always shortsighted, and they did not foresee how much this regulation must obstruct improvement, and thereby hurt in the long-run the real interest of the landlord.

There are many here among us who feel that life is but a joke. But you and I, we've been through that, and this is not our fate, so let us not talk falsely now, the hour is getting late.

People who tell you that control is bad are trying to tell you that automobile accidents and industrial accidents are good.

The transformation of Apple is probably the biggest tech story of the last 15 years.

Revolutions are frightening, but election campaigns are disgusting.

Donald Trump has shown that he will essentially attack individuals, make Second Amendment jokes.

The truly free market is the worker's best friend.