Sadness is emotional pain associated with, or characterized by feelings of disadvantage, loss, despair, helplessness, sorrow, and rage. When sad, people often become outspoken, less energetic, and emotional. Crying is an indication of sadness.
- Of all tales 'tis the saddest—and more sad,
Because it makes us smile.
- One of the other experts we consulted with - this guy named Dacher Keltner - he was big on sadness as a community bonding, I think is the word he used. It's, like, you know, if you're sad, it's a way of connecting with other people. And we - a lot of times we sort of feel embarrassed by being sad, and we go off by ourselves to hide and cry by ourselves. But, really, it's a way of re-establishing relationship.
- Pete Docter 
- 'Tis impious in a good man to be sad.
- Edward Young, Night Thoughts (1742-1745), Night IV, line 676.
Hoyt's New Cyclopedia Of Practical Quotations
- Quotes reported in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 689-90.
- Child of mortality, whence comest thou? Why is thy countenance sad, and why are thine eyes red with weeping?
- Anna Letitia Barbauld, Hymns in Prose, XIII.
- A feeling of sadness and longing,
That is not akin to pain,
And resembles sorrow only
As the mist resembles the rain.
- Henry Wadsworth Longfellow, The Day is Done, Stanza 3.
- Yet be sad, good brothers,
* * * * *
Sorrow so royally in you appears,
That I will deeply put the fashion on.
- We look before and after,
And pine for what is not,
Our sincerest laughter
With some pain is fraught:
Our sweetest songs are those that tell of saddest thought.
- Percy Bysshe Shelley, To a Skylark, Stanza 18.