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A theory has only the alternative of being right or wrong. A model has a third possibility - it may read more
A theory has only the alternative of being right or wrong. A model has a third possibility - it may be right but irrelevant.
It is the theory that decides what can be observed
It is the theory that decides what can be observed
In theory there is no difference between theory and practice. In practice there is.
In theory there is no difference between theory and practice. In practice there is.
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never read more
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
I never once made a discovery ... I speak without exaggeration that I have constructed three thousand different theories in read more
I never once made a discovery ... I speak without exaggeration that I have constructed three thousand different theories in connection with the electric light ... Yet in only two cases did my experiments prove the truth of my theory.
How empty is theory in the presence of fact
How empty is theory in the presence of fact
Science is organized common sense where many a beautiful theory was killed by an ugly fact.
Science is organized common sense where many a beautiful theory was killed by an ugly fact.
The theory seems to be that as long as a man is a failure he is one of God's children, read more
The theory seems to be that as long as a man is a failure he is one of God's children, but that as soon as he succeeds he is taken over by the Devil.
