The natural flights of the human mind are not from pleasure to pleasure, but from hope to hope

--- Samuel Johnson, quoted by Philip Mirowski in the final section, "5. The kicker" of  "On kicking the habit: A response to the JEBO Symposium on “Markets Come to Bits”", Journal of Economic Behavior & Organization, Vol. 63 (2007) 359–371

Here's more, per https://www.brainyquote.com/quotes/samuel_johnson_134958

The mind is never satisfied with the objects immediately before it, but is always breaking away from the present moment, and losing itself in schemes of future felicity... The natural flights of the human mind are not from pleasure to pleasure, but from hope to hope.