One must understand or become adept at the basic skills, techniques, or details of something before moving on to that which requires greater skill or experience. I see it all the time: people who want to become hotshot doctors but don't want to put in all the hard work the field demands. You have to learn to walk before you run. While the results of the drug trial are encouraging, there are still a huge number of tests we have to run—you've got to walk before you can run