12 distinct Hebrew words appear in this verse.

3 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Thess 2:1 — For yourselves, brethren, know our entrance in unto you, that it was not in vain:
• Eccl 1:3 — What profit hath a man of all his labour which he taketh under the sun?
• Eccl 5:11 — When goods increase, they are increased that eat them: and what good is there to the owners thereof, saving the beholding of them with their eyes?
• Ezek 24:12 — She hath wearied herself with lies, and her great scum went not forth out of her: her scum shall be in the fire.
• Gen 11:6 — And the LORD said, Behold, the people is one, and they have all one language; and this they begin to do: and now nothing will be restrained from them, which they have imagined to do.
• Isa 41:5 — The isles saw it, and feared; the ends of the earth were afraid, drew near, and came.
• Isa 50:11 — Behold, all ye that kindle a fire, that compass yourselves about with sparks: walk in the light of your fire, and in the sparks that ye have kindled. This shall ye have of mine hand; ye shall lie down
• Isa 55:2 — Wherefore do ye spend money for that which is not bread? and your labour for that which satisfieth not? hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in f
• Isa 55:2 — Wherefore do ye spend money for that which is not bread? and your labour for that which satisfieth not? hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in f
• Jer 9:5 — And they will deceive every one his neighbour, and will not speak the truth: they have taught their tongue to speak lies, and weary themselves to commit iniquity.
• Jer 12:13 — They have sown wheat, but shall reap thorns: they have put themselves to pain, but shall not profit: and they shall be ashamed of your revenues because of the fierce anger of the LORD.
• Jer 51:58 — Thus saith the LORD of hosts; The broad walls of Babylon shall be utterly broken, and her high gates shall be burned with fire; and the people shall labour in vain, and the folk in the fire, and they
• Jer 51:58 — Thus saith the LORD of hosts; The broad walls of Babylon shall be utterly broken, and her high gates shall be burned with fire; and the people shall labour in vain, and the folk in the fire, and they
• Job 5:13 — He taketh the wise in their own craftiness: and the counsel of the froward is carried headlong.
• John 6:27 — Labour not for the meat which perisheth, but for that meat which endureth unto everlasting life, which the Son of man shall give unto you: for him hath God the Father sealed.
• Lev 26:20 — And your strength shall be spent in vain: for your land shall not yield her increase, neither shall the trees of the land yield their fruits.
• Mal 1:4 — Whereas Edom saith, We are impoverished, but we will return and build the desolate places; thus saith the LORD of hosts, They shall build, but I will throw down; and they shall call them, The border o
• Prov 21:30 — There is no wisdom nor understanding nor counsel against the LORD.
• Ps 39:6 — Surely every man walketh in a vain shew: surely they are disquieted in vain: he heapeth up riches, and knoweth not who shall gather them.
• Ps 127:1 — 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.