allauthor
Knowledge exists in two forms  lifeless stored in books and alive in the consciousness of men. The second form of existence is after all the essential one the first indispensable as it may be... - Albert Einstein Quote

Knowledge exists in two forms lifeless stored in books and alive in the consciousness of men. The second form of existence is after all the essential one the first indispensable as it may be occupies only an inferior position.
Albert Einstein