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.
Samuel JohnsonThere are minds so impatient of inferiority that their gratitude is a species of revenge, and they return benefits, not because recompense is a pleasure, but because obligation is a pain.
Samuel Johnson