Grain grows best in shit. A Postscript Slide Rule Outside of a dog, a book is a man's best friend. Inside of a dog, it's too dark to read. This riddle is actually quite difficult. So, if you really want the answer, just mail me .
Real knowledge is to know the extent of one's ignorance.
For about 20 years, I've been a Unix Operating System kernel programmer . I have been a frustrated musician far longer than that. It often shows a fine command of a language to say nothing.