Professor Goddard does not know the relation between action and reaction and the need to have something better than a read more

Professor Goddard does not know the relation between action and reaction and the need to have something better than a vacuum against which to react. He seems to lack the basic knowledge ladled out daily in high schools. -- 1921 New York Times editorial about Robert Goddard's revolutionary rocket work.

So the heart be right, it is no matter which way the head lieth.

So the heart be right, it is no matter which way the head lieth.

Cheer up, children, I am all right.

Cheer up, children, I am all right.

Thomas Jefferson still survives.

Thomas Jefferson still survives.

And so I leave this world, where the heart must either break or turn to lead.

And so I leave this world, where the heart must either break or turn to lead.

All fled--all done, so lift me on the pyre;
The feast is over, and the lamps expire.

All fled--all done, so lift me on the pyre;
The feast is over, and the lamps expire.

Heavier-than-air flying machines are impossible. -- Lord Kelvin, president, Royal Society, 1895.

Heavier-than-air flying machines are impossible. -- Lord Kelvin, president, Royal Society, 1895.

If I had thought about it, I wouldn't have done the experiment. The literature was full of examples that said read more

If I had thought about it, I wouldn't have done the experiment. The literature was full of examples that said you can't do this. -- Spencer Silver on the work that led to the unique adhesives for 3-M Post-It Notepads.

No flying machine will ever fly from New York to Paris. -- Orville Wright.

No flying machine will ever fly from New York to Paris. -- Orville Wright.