Matthew 6:34

therefore sollicitous about the morrow: for the morrow shall be taken up with the cares of the morrow, the trouble of the day is sufficient for one day.

Romans 12:11-12

in business be not slothful, but of an active mind, making the best use of every incident.

Philippians 4:4-5

Rejoice in the Lord alway: I say it again, rejoice.

Treasury of Scripture Knowledge

Summary

Wherefore I perceive that there is nothing better, than that a man should rejoice in his own works; for that is his portion: for who shall bring him to see what shall be after him?

Bible References

Nothing

Romans 12:11
in business be not slothful, but of an active mind, making the best use of every incident.
Philippians 4:4
Rejoice in the Lord alway: I say it again, rejoice.

Who

Matthew 6:34
therefore sollicitous about the morrow: for the morrow shall be taken up with the cares of the morrow, the trouble of the day is sufficient for one day.