"All Americans owe a debt of gratitude to Dr. King for his bravery and commitment to civil rights and nonviolence that changed this nation - and world - for the better"

"At times our own light goes out and is rekindled by a spark from another person. Each of us has cause to think with deep gratitude of those who have lighted the flame within us"

"A man's indebtedness is not virtue; his repayment is. Virtue begins when he dedicates himself actively to the job of gratitude"

"When someone saves your life and gives you life, there's gratitude, humility; there's a time you've been so blessed you realize you've been given another chance at life that maybe you did or didn't deserve"

"In the New Testament, religion is grace and ethics is gratitude"

"America's fighting men and women sacrifice much to ensure that our great nation stays free. We owe a debt of gratitude to the soldiers that have paid the ultimate price for this cause, as well as for those who are blessed enough to return from the battlefield unscathed"

"We must always remember with gratitude and admiration the first sailors who steered their vessels through storms and mists, and increased our knowledge of the lands of ice in the South"

"Gratitude is one of those things that cannot be bought. It must be born with men, or else all the obligations in the world will not create it"

"Alas, how quickly the gratitude owed to the dead flows off, how quick to be proved a deceiver"

"The essence of all beautiful art, all great art, is gratitude"

"There are slavish souls who carry their appreciation for favors done them so far that they strangle themselves with the rope of gratitude"