Tearing (/ˈtiərɪŋ/), lacrimation, or lachrymation, (from Latin lacrima, meaning "tear") is the secretion of tears, which often serves to clean and lubricate the eyes in response to an irritation of the eyes. Tears formed through crying are associated with strong internal emotions, such as sorrow, elation, emotion, awe or pleasure. Laughing or yawning may also lead to the production of tears.

https://en.wikipedia.org/wiki/Tears

"We long to be here for a purpose, even though, despite much self-deception, none is evident."
Carl Sagan
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