The formulation of a problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.
— Albert Einstein

All progress is experimental.
John Jay Chapman experimental quote

Is it experimental to have been influenced by the Bible? By Saint Augustine?
— Marguerite Young

Within psychology and neuroscience, some new and rigorous experimental paradigms for studying consciousness have helped it begin to overcome the stigma that has been attached to the topic for most of this century.
— David Chalmers

It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients.
— experimental quotation by Ivan Pavlov