Three hours a day will produce as much as a man ought to write. Anthony Trollope
One cannot become a saint when one works sixteen hours a day. Jean-Paul Sartre
I seldom think of politics more than eighteen hours a day. Lyndon B. Johnson
When you hire me, you hire a nut who is going to work 24 hours a day for you and never, ever burn his audience. Howard Stern
By working faithfully eight hours a day you may eventually get to be boss and work twelve hours a day. Robert Frost
There is no substitute for hard work, 23 or 24 hours a day. And there is no substitute for patience and acceptance. Cesar Chavez