I laugh because I must not cry, that is all, that is all.
Abraham Lincoln, Caroline Thomas Harnsberger (1950). “The Lincoln treasury”
![I laugh because I must not cry, that is all, that is all.](http://cdn.quoteddaily.com/images/abraham-lincoln/i-laugh-because-i-must-not-cry-that-is-all-that-is-all.jpg)
I laugh because I must not cry, that is all, that is all.