“So you’ve made a friend. How sad for them.”

“How to make friends and keep them.”

“I want more than anything for my children to be happy, and I love them because they are sad, and the erratic project of kneading that sadness into joy is the engine of my life as a father, as a son, as a friend—and as a writer.”

“She is so lost in her sadness that she has no idea how visible it is.”

“Fresh as the first beam glittering on a sail,
That brings our friends up from the underworld,
Sad as the last which reddens over one
That sinks with all we love below the verge;
So sad, so fresh, the days that are no more.”

“In joy or sadness flowers are our constant friends.”

“Parting with friends is a sadness. A place is only a place.”

“If I could only impress on the soul of every friend of music, and on high personages in particular, how inimitable are Mozart's works, how profound, how musically intelligent, how extraordinarily sensitive! (for this is how I understand them, how I feel them) — why then the nations would vie with each other to possess such a jewel within their frontiers. Prague should hold him fast — but should reward him, too: for without this, the history of great geniuses is sad indeed, and gives but little encouragement to posterity to further exertions; and unfortunately this is why so many promising intellects fall by the wayside.”

“I guess after tonight Boots won't think the whole world is her friend," thought Gregor. She had to find out sometime, but it still made him sad.”

“Long after you’ve forgotten someone’s voice, you can still remember the sound of their happiness or their sadness. You can feel it in your body.”