There are slavish souls who carry their appreciation for favors done them so far that they strangle themselves with the rope of gratitude.Friedrich Nietzsche
Great indebtedness does not make men grateful, but vengeful; and if a little charity is not forgotten, it turns into a gnawing worm.Friedrich Nietzsche
But friendship is precious, not only in the shade, but in the sunshine of life, and thanks to a benevolent arrangement the greater part of life is sunshine.Thomas Jefferson
Appreciation is a wonderful thing: It makes what is excellent in others belong to us as well.Voltaire
Nothing would be more tiresome than eating and drinking if God had not made them a pleasure as well as a necessity.Voltaire
And this, our life, exempt from public haunt, finds tongues in trees, books in the running brooks, sermons in stones, and good in everything.William Shakespeare