KJV:
I have seen the travail, which God hath given to the sons of men to be exercised in it.
NASB:
I have seen the task which God has given the sons of men with which to occupy themselves.
KJV:
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.
NASB:
He has made everything appropriate in its time. He has also set eternity in their heart, yet so that man will not find out the work which God has done from the beginning even to the end.
KJV:
Keep thy foot when thou goest to the house of God, and be more ready to hear, than to give the sacrifice of fools: for they consider not that they do evil.
NASB:
Guard your steps as you go to the house of God and draw near to listen rather than to offer the sacrifice of fools; for they do not know they are doing evil.
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:
Behold that which I have seen: it is good and comely for one to eat and to drink, and to enjoy the good of all his labour that he taketh under the sun all the days of his life, which God giveth him: for it is his portion.
NASB:
Here is what I have seen to be good and fitting: to eat, to drink and enjoy oneself in all one's labor in which he toils under the sun during the few years of his life which God has given him; for this is his reward.
KJV:
Every man also to whom God hath given riches and wealth, and hath given him power to eat thereof, and to take his portion, and to rejoice in his labour; this is the gift of God.
NASB:
Furthermore, as for every man to whom God has given riches and wealth, He has also empowered him to eat from them and to receive his reward and rejoice in his labor; this is the gift of God.
KJV:
A man to whom God hath given riches, wealth, and honour, so that he wanteth nothing for his soul of all that he desireth, yet God giveth him not power to eat thereof, but a stranger eateth it: this is vanity, and it is an evil disease.
NASB:
a man to whom God has given riches and wealth and honor so that his soul lacks nothing of all that he desires; yet God has not empowered him to eat from them, for a foreigner enjoys them. This is vanity and a severe affliction.
KJV:
It is better to go to the house of mourning, than to go to the house of feasting: for that is the end of all men; and the living will lay it to his heart.
NASB:
It is better to go to a house of mourning Than to go to a house of feasting, Because that is the end of every man, And the living takes it to heart.
KJV:
Also take no heed unto all words that are spoken; lest thou hear thy servant curse thee:
NASB:
Also, do not take seriously all words which are spoken, so that you will not hear your servant cursing you.
KJV:
All this have I seen, and applied my heart unto every work that is done under the sun: there is a time wherein one man ruleth over another to his own hurt.
NASB:
All this I have seen and applied my mind to every deed that has been done under the sun wherein a man has exercised authority over another man to his hurt.