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.

The concept is interesting and well-formed, but in order to earn better than a 'C,' the idea must be feasible. read more

The concept is interesting and well-formed, but in order to earn better than a 'C,' the idea must be feasible. -- A Yale University management professor in response to Fred Smith's paper proposing reliable overnight delivery service. (Smith went on to found Federal Express Corp.).

Thomas Jefferson still survives.

Thomas Jefferson still survives.

Louis Pasteur's theory of germs is ridiculous fiction. -- Pierre Pachet, Professor of Physiology at Toulouse, 1872.

Louis Pasteur's theory of germs is ridiculous fiction. -- Pierre Pachet, Professor of Physiology at Toulouse, 1872.

Cheer up, children, I am all right.

Cheer up, children, I am all right.

A little while and I will be gone from among you, when I cannot
tell. From no where we came, read more

A little while and I will be gone from among you, when I cannot
tell. From no where we came, into nowhere we go. What is life? Itis a flash of a firefly in the night. It is a breath of a buffalo inthe winter time. It is the little shadow that runs across the grass and loses itself in the sunset.

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.

The future is just old age and illness and pain.... I must have peace and this is the only way.

The future is just old age and illness and pain.... I must have peace and this is the only way.

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.