If any human being earnestly desire to push on to new discoveries instead of just retaining and using the old; to win victories over Nature as a worker rather than over hostile critics as a disputant; to attain, in fact, clear and demonstrative knowlegde instead of attractive and probable theory; we invite him as a true son of Science to join our ranks.
That conceit, elegantly expressed by the Emperor Charles V., in his instructions to the King, his son, "that fortune hath somewhat the nature of a woman, that if she be too much wooed she is the farther off.