KJV:
What profit hath he that worketh in that wherein he laboureth?
NASB:
What profit is there to the worker from that in which he toils?
KJV:
That which hath been is now; and that which is to be hath already been; and God requireth that which is past.
NASB:
That which is has been already and that which will be has already been, for God seeks what has passed by.
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:
Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?
NASB:
Do not let your speech cause you to sin and do not say in the presence of the messenger of God that it was a mistake. Why should God be angry on account of your voice and destroy the work of your hands?
KJV:
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?
NASB:
When good things increase, those who consume them increase. So what is the advantage to their owners except to look on?
KJV:
And this also is a sore evil, that in all points as he came, so shall he go: and what profit hath he that hath laboured for the wind?
NASB:
This also is a grievous evil-- exactly as a man is born, thus will he die. So what is the advantage to him who toils for the wind?
KJV:
For what hath the wise more than the fool? what hath the poor, that knoweth to walk before the living?
NASB:
For what advantage does the wise man have over the fool? What advantage does the poor man have, knowing how to walk before the living?