"Wait on the Lord: be of good courage, and he shall strengthen thine heart: wait, I say, on the Lord." Psalm 27:14.
"And let us not be weary in well doing: for in due season we shall reap, if we faint not." Galatians 6:9.
"For ye have need of patience, that, after ye have done the will of God, ye might receive the promise." Hebrews 10:36.
"Being confident of this very thing, that he which hath begun a good work in you will perform [it] until the day of Jesus Christ." Philippians 1:6.