I will say a few words of the intellectual qualities necessary for discovery or for the advancement of the science. Amongst them patience, industry, and neatness in manipulation, and accuracy and minuteness in observing and registering the phenomena which occur, are essential. A steady hand and a quick eye are most useful auxiliaries.

Consolations in Travel: Or, The Last Days of a Philosopher, Dialogue the Fifth (p. 174), Cassell & Co., Ltd. 1889