“You can never do a kindness too soon, for you never know how soon it will be too late.”
Culture
1860s, The Conduct of Life (1860)
Variant: You cannot do a kindness too soon, for you never know how soon it will be too late.
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Ralph Waldo Emerson 727
American philosopher, essayist, and poet 1803–1882Related quotes

“The time for action is now. It's never too late to do something.”
Quoted as Sandburg in Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results (2003) by Jeff Blackman, but without citation of original source; this is elsewhere attributed to Antoine de Saint Exupéry, but also with no original sources cited.
Disputed

Variant translation: If thou shouldst lay up even a little upon a little, and shouldst do this often, soon would even this become great.
Source: Works and Days (c. 700 BC), line 361.

Variant: How do you 'accidentally' kill a noble man in his own mansion?"
"With a knife in the chest. Or, rather, a pair of knives in the chest...
Source: The Final Empire