Answer: God's children should devote themselves to prayer, being watchful and thankful as we do so, (verse 2).
MORE INFORMATION AND/OR OTHER SCRIPTURE REFERENCES:
"Devote" means, "to set apart for a particular and often better or higher use (as in, ‘devote yourselves to prayer'); to commit oneself to; to be dedicated to." "Watchful" here means, "to be spiritually alert."
In Matthew 26:41 and Mark 14:38, Jesus says, "Watch and pray so that you will not fall into temptation. The spirit is willing, but the body is weak."
And in Luke 21:36, He says, "Be always on the watch, and pray that you may be able to escape all that is about to happen, and that you may be able to stand before the Son of Man."