We may be up against a stone wall, but we don't have to bloody our heads against it unless we choose to.
William Glasser

No human being will work hard at anything unless they believe that they are working for competence.
William Glasser

Make your mold. The best flux in the world will not make a usable shape unless you have a mold to pour it in.
Robert Collier

You can never get all the facts from just one newspaper, and unless you have all the facts, you cannot make proper judgements about what is going on.
Harry S. Truman

It takes a big idea to attract the attention of consumers and get them to buy your product. Unless your advertising contains a big idea, it will pass like a ship in the night. I doubt if more than one campaign in a hundred contains a big idea.
David Ogilvy

In the modern world of business, it is useless to be a creative, original thinker unless you can also sell what you create.
David Ogilvy

It is dangerous to be sincere unless you are also stupid.
George Bernard Shaw

Nothing is worth doing unless the consequences may be serious.
George Bernard Shaw

A film is never really good unless the camera is an eye in the head of a poet.
Orson Welles

My doctor told me to stop having intimate dinners for four. Unless there are three other people.
Orson Welles

Fishing is boring, unless you catch an actual fish, and then it is disgusting.
Dave Barry

Thus the metric system did not really catch on in the States, unless you count the increasing popularity of the nine-millimeter bullet.
Dave Barry

Riches have never fascinated me, unless combined with the greatest charm or distinction.
F. Scott Fitzgerald

You cannot push anyone up the ladder unless he is willing to climb.
Andrew Carnegie

Really I don't like human nature unless all candied over with art.
Virginia Woolf

It is no use walking anywhere to preach unless our walking is our preaching.
Francis of Assisi

There can be no liberty unless there is economic liberty.
Margaret Thatcher

Don't change on me. Don't extort me unless you intend to do it forever.
Tupac Shakur

Unless you become more watchful in your states and check the spirit of monopoly and thirst for exclusive privileges you will in the end find that... the control over your dearest interests has passed into the hands of these corporations.
Andrew Jackson

A democracy which makes or even effectively prepares for modern, scientific war must necessarily cease to be democratic. No country can be really well prepared for modern war unless it is governed by a tyrant, at the head of a highly trained and perfectly obedient bureaucracy.
Aldous Huxley