Most of us are just about as happy as we make up our minds to be.
Abraham Lincoln (1809-1865) American lawyer, politician, US President (1861-65)
(Spurious)
Not found any earlier than in casual attribution in 1914. Also sometimes attributed to Mark Twain.
For more discussion of the source of this quotation, see: Quote Origin: Folks Are Usually About as Happy as They Make Up Their Minds To Be – Quote Investigator®.
