James Bryant Conant Quote

We can put it down as one of the principles learned from the history of science that a theory is only overthrown by a better theory, never merely by contradictory facts.


On Understanding Science, Chapter II (p. 36), Yale University Press. 1947


We can put it down as one of the principles learned from the history of science that a theory is only overthrown by a better theory, never merely by...

We can put it down as one of the principles learned from the history of science that a theory is only overthrown by a better theory, never merely by...

We can put it down as one of the principles learned from the history of science that a theory is only overthrown by a better theory, never merely by...

We can put it down as one of the principles learned from the history of science that a theory is only overthrown by a better theory, never merely by...