A promise is a promise

Promises are like babies: easy to make, hard to deliver. ~Author Unknown

 
We promise according to our hopes, and perform according to our fears. ~François VI de la Rochefoucault

The best way to keep one's word is not to give it. ~Napoleon Bonaparte

All promise outruns performance. ~Ralph Waldo Emerson

Promises are like crying babies in a theater, they should be carried out at once. ~Norman Vincent Peale

Eggs and oaths are easily broken. ~Danish Proverb

Nothing weights lighter than a promise. ~German Proverb

Losers make promises they often break. Winners make commitments they always keep. ~Denis Waitley

For every promise, there is price to pay. ~Jim Rohn

Promises are like the full moon, if they are not kept at once they diminish day by day. ~German Proverb
 
One must have a good memory to be able to keep the promises that one makes. ~Friedrich Nietzsche

Some persons make promises for the pleasure of breaking them. ~William Hazlitt

Hypocrisy can afford to be magnificent in its promises, for never intending to go beyond promise, it costs nothing. ~Edmund Burke

Vote for the man who promises least; he'll be the least disappointing. ~Bernard M. Baruch

Promises make debt, and debt makes promises. ~Dutch Proverb
 
A promise is a comfort for a fool. ~Proverb

When a man repeats a promise again and again, he means to fail you. ~Proverb

A promise is a cloud; fulfillment is rain. ~Arabian Proverb

I thought he was a young man of promise; but it appears he was a young man of promises. ~Author Unknown

It is useless to hold a person to anything he says while he is in love, drunk, or running for office. ~Shirley MacLaine

Promise only what you can deliver. Then deliver more than you promise. ~Author Unknown

Life didn't promise to be wonderful. ~Teddy Pendergrass

In the midst of great joy, do not promise anyone anything. In the midst of great anger, do not answer anyone's letter. ~Chinese Proverb
 
Those that are most slow in making a promise are the most faithful in the performance of it. ~Jean Jacques Rousseau

Each morning I gaze at the eastern horizon, and if the sun keeps its promise, I keep mine. ~Robert Brault, rbrault.blogspot.com
 
The very first law in advertising is to avoid the concrete promise and cultivate the delightfully vague. ~Bill Cosby

Politicians are the same all over. They promise to build bridges even when there are no rivers. ~Nikita Khrushchev

Promise, large promise, is the soul of an advertisement. ~Samuel Johnson