Promises are like babies: easy to make, hard to deliver.
Half the promises people say were never kept, were never made.
Edgar Watson Howe
The best way to keep one's word is not to give it.
Promises are like crying babies in a theater, they should be carried out at once.
Norman Vincent Peale
Losers make promises they often break. Winners make commitments they always keep. Denis Waitley
We must not promise what we ought not, lest we be called on to perform what we cannot. Abraham Lincoln
Promise only what you can deliver. Then deliver more than you promise.
Life didn't promise to be wonderful. but it is!