"A promise is a comfort for a fool."

"For every promise, there is price to pay." *how much ? =))*

"We must not promise what we ought not, lest we be called on to perform what we cannot"

"Promises are like crying babies in a theater, they should be carried out at once."

"Losers make promises they often break. Winners make commitments they always keep. "

"The promise given was a necessity of the past: the word broken is a necessity of the present."

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

"We promise according to our hopes and perform according to our fears."

"Never promise more than you can perform."

"Stay, is a charming word in a friend's vocabulary."