1) “When a man embarks upon a crime, he is morally guilty of any other crime which may spring from it.”
2) “A trusty comrade is always of use.”
3) “There is nothing more deceptive than an obvious fact.”
4) “I take a short cut when I can get it.”
5) “I can't make bricks without clay.”
6) “It is a capital mistake to theorize before one has data.”
7) “When a doctor does go wrong, he is the first of criminals.”
8) “Education never ends, Watson. It is a series of lessons, with the greatest for the last.”
9) “A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library where he can get it if he wants it.”
10) “Your life is not your own. Keep your hands off it...The example of patient suffering is in itself the most precious of all lessons to an impatient world.”