If a man were to read a book on the cultivation of fruit trees, and then attempt to practice it without having seen a single tree, he would not be more unsuccessful than those who attempt to philosophise on the causes of things without having made any observations.
Theory of evolution
Emphasizing the importance of empirical observation.
c. 1830s
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"If the misery of the poor be caused not by the laws of nature, but by our institutions, great is our sin."
Strange & Unusual"I have always maintained that, in this country, a man can do whatever he likes, provided he is a gentleman."
Humorous"A man who dares to waste one hour of time has not discovered the value of life."
Strange & Unusual"As a proof of the admirable power of the mind, I may mention that I have been for some years training my mind to reject the evidence of my senses when they do not square with my preconceived notions."
Strange & Unusual"The greatest discovery of all is that the world is not as we thought it was."
Humorous