Some one came to the President with a story about a plot to accomplish some mischief in the Government. Lincoln listened to what was a very superficial and ill-formed story, and then said: “There is one thing that I have learned, and that you have not. It is only one word—‘thorough.’”
Then, bringing his hand down on the table with a thump to emphasize his meaning, he added, “thorough!”
All books are sourced from Project Gutenberg