Motivation is –

The reason or reasons one has for acting or behaving in a particular way.

“Escape can be a strong motivation for travel”

synonyms:  motive, motivating force, incentive, stimulus, stimulation, inspiration, inducement, incitement, spur, reason

“His motivation was to change the world one person at a time.”

synonyms:   enthusiasm, drive, ambition, initiative, determination, enterprise

My motivation lately for writing and life has been sadly lacking.  I spend too much time working and not enough time on the joy in life.  Time to refocus!

Work willingly at whatever you do, as though you were working for the Lord rather than for people.  Colossians 3:23 (NLT)