The worst manifestations of exhaustion were successfully cured by a long period of rest but it was immediately apparent to me that I had lost once and for all my former capacity for carrying out experimental work until physically tired. Wilhelm Ostwald
At the beginning of all experimental work stands the choice of the appropriate technique of investigation. Walter Rudolf Hess
Haven't you wondered how they could have survived, when, in all of our experimental work every small change we make dies? Edwin H. Land
One of the terrific aspects of MIT in those days was the enormous variety of experimental work that either took place there or was talked about in seminars by outside speakers aggressively recruited by the faculty. Robert B. Laughlin
Experimental work of great refinement is necessary in order to determine atomic weights. No relationships between them have yet been certainly found which make it possible for us to compute by any sort of calculation exactly the value of any one atomic weight from any other. Theodore William Richards