Scientists are still trying to produce life in the laboratory, but it shouldn't be difficult if the laboratory assistant is pretty and willing.
Ignorance once dispelled is difficult to reestablish.
He laughs best whose laugh lasts.
Work is accomplished by those employees who have not yet reached their level of incompetence.
They lead only as the carved wooden figurehead leads the ship.
Before publishers' blurbs were invented, authors had to make their reputations by writing.