KJV: I said in mine heart concerning the estate of the sons of men, that God might manifest them, and that they might see that they themselves are beasts.
NASB: I said to myself concerning the sons of men, "God has surely tested them in order for them to see that they are but beasts."
KJV: 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?
NASB: I have seen that nothing is better than that man should be happy in his activities, for that is his lot. For who will bring him to see what will occur after him?
KJV: So I returned, and considered all the oppressions that are done under the sun: and behold the tears of such as were oppressed, and they had no comforter; and on the side of their oppressors there was power; but they had no comforter.
NASB: Then I looked again at all the acts of oppression which were being done under the sun. And behold I saw the tears of the oppressed and that they had no one to comfort them; and on the side of their oppressors was power, but they had no one to comfort them.
KJV: Again, I considered all travail, and every right work, that for this a man is envied of his neighbour. This is also vanity and vexation of spirit.
NASB: I have seen that every labor and every skill which is done is the result of rivalry between a man and his neighbor. This too is vanity and striving after wind.