"Out of the fullness of his grace he has blessed us all, giving us one blessing (grace) after another."
John 1:16
" 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 ." 1 Corinthians 15:58
" Except the Lord build the house, they labour in vain that build it: except the Lord keep the city, the watchman waketh but in vain."
Psalm 127
"Also I heard the voice of the Lord, saying, Whom shall I send, and who will go for us? Then said I, Here am I; send me."
Isaiah 6:8