From the dawn of exact knowledge to the present day, observation, experiment, and speculation have gone hand in hand; and, whenever science has halted or strayed from the right path, it has been, either because its votaries have been content with mere unverified or unverifiable speculation (and this is the commonest case, because observation and experiment are hard work, while speculation is amusing); or it has been, because the accumulation of details of observation has for a time excluded speculation. Thomas Henry Huxley
About This Quote

In the history of science, there have been many periods of great speculation. In these periods, scientists tended to keep their minds occupied with describing and classifying what they observed, rather than trying to build a model of the underlying mechanism. During these times, science was described as being on the “right path.” However, once a period of great speculation ends, it is followed by a period where observation and experiment take center stage again. This is the time when science comes back to reality and finally gets back on track.

Source: The Advance Of Science In The Last Halfcentury

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