Therefore, my beloved brethren, be ye stedfast,
unmoveable, always abounding in the work of
the Lord, forasmuch as ye know that your
labour is not in vain in the Lord.
I Corinthians 15:58
And let us not be weary in well doing:
for in due season we shall reap, if we faint not.
Galatians 6:9
How shall they call on him in whom they have not
believed? and how shall they believe in him of
whom they have not heard? and how shall they hear
without a preacher? And how shall they preach,
except they be sent...
Romans 10:14-15
Say not ye, There are yet four months, and then
cometh harvest? behold, I say unto you,
Lift up your eyes, and look on the fields;
for they are white already to harvest.
John 4:35