A ship in port is safe, but ...

A ship in port is safe, but that\'s not what ships are built for.
A ship in port is safe, but that's not what ships are built for.
 Grace Hopper

More phrases

Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
 George S. Patton
Problems are not stop signs, they are guidelines.
 Robert Schuller
Never give up, for that is just the place and time that the tide will turn.
 Harriet Beecher Stowe

Quotes from the same author

If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law!
 Grace Hopper
One accurate measurement is worth a thousand expert opinions.
 Grace Hopper
Developing a compiler was a logical move; but in matters like this, you don't run against logic - you run against people who can't change their minds.
 Grace Hopper