Every great advance in science has issued from a new audacity of imagination. - The Quest for Certainty.

Every great advance in science has issued from a new audacity of imagination. - The Quest for Certainty.

Our sun is one of 100 billion stars in our galaxy. Our galaxy is one of billions of galaxies populating read more

Our sun is one of 100 billion stars in our galaxy. Our galaxy is one of billions of galaxies populating the universe. It would be the height of presumption to think that we are the only living things in that enormous immensity.

Each problem that I solved became a rule, which served afterwards to solve other problems.

Each problem that I solved became a rule, which served afterwards to solve other problems.

If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says read more

If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong.

What we know is not much; what we do not know is immense.

What we know is not much; what we do not know is immense.

You have to hatch ideas -- and then hitch them.

You have to hatch ideas -- and then hitch them.

Whenever anyone says, 'theoretically,' they really mean, 'not really.'.

Whenever anyone says, 'theoretically,' they really mean, 'not really.'.

The tools we use have a profound (and devious!) influence on our thinking habits, and, therefore, on our thinking abilities.

The tools we use have a profound (and devious!) influence on our thinking habits, and, therefore, on our thinking abilities.

In science, "fact" can only mean "confirmed to such a degree that it would be perverse to withhold provisional assent." read more

In science, "fact" can only mean "confirmed to such a degree that it would be perverse to withhold provisional assent." I suppose that apples might start to rise tomorrow, but the possibility does not merit equal time in physics classrooms.