What profit hath he that worketh in that wherein he laboureth?(Ecclesiastes 3:9)

I have seen the travail, which God hath given to the sons of men to be exercised in it.(Ecclesiastes 3:10)

He hath made every thing beautiful in his time: also he hath set the world in their heart, so that no man can find out the work that God maketh from the beginning to the end.(Ecclesiastes 3:11)

I know that there is no good in them, but for a man to rejoice, and to do good in his life.

And also that every man should eat and drink, and enjoy the good of all his labour, it is the gift of God.(Ecclesiastes 3:13)

I know that, whatsoever God doeth, it shall be for ever: nothing can be put to it, nor any thing taken from it: and God doeth it, that men should fear before him.(Ecclesiastes 3:14)

That which hath been is now; and that which is to be hath already been; and God requireth that which is past.(Ecclesiastes 3:15)

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Ecclesiastes 3:12 - Cross Reference

Thou meetest him that rejoiceth and worketh righteousness, those that remember thee in thy ways: behold, thou art wroth; for we have sinned: in those is continuance, and we shall be saved. (Isaiah 64:5)

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? (Ecclesiastes 3:22)

Trust in the LORD, and do good; so shalt thou dwell in the land, and verily thou shalt be fed. (Psalm 37:3)

That they do good, that they be rich in good works, ready to distribute, willing to communicate; (1 Timothy 6:18)

I have shewed you all things, how that so labouring ye ought to support the weak, and to remember the words of the Lord Jesus, how he said, It is more blessed to give than to receive. (Acts 20:35)

See that none render evil for evil unto any man; but ever follow that which is good, both among yourselves, and to all men. (1 Thessalonians 5:15)

Rejoice in the Lord alway: and again I say, Rejoice. (Philippians 4:4)

Go thy way, eat thy bread with joy, and drink thy wine with a merry heart; for God now accepteth thy works. (Ecclesiastes 9:7)

But rather give alms of such things as ye have; and, behold, all things are clean unto you. (Luke 11:41)

And it shall come to pass, that as the LORD rejoiced over you to do you good, and to multiply you; so the LORD will rejoice over you to destroy you, and to bring you to nought; and ye shall be plucked from off the land whither thou goest to possess it. (Deuteronomy 28:63)