What gain has the worker from his toil?
The scope of these verses is to show, 1. That we live in a world of changes, that the several events of time, and conditions of human life, are vastly different from one another, and yet occur promiscuously, and we are continually passing and repassing between them, as in the revolutions of every day and every year.
Commenting on Ecclesiastes 3:1-10
What profit hath he that worketh in that wherein he laboureth? That is, he has none. This is an inference drawn from the above premises, and confirms what has been before observed, Ecc 1:3; Man has no profit of his labour, since his time is so short to enjoy it, and he leaves it to another, he knows not who; and, while he lives, is...
But these earthly pursuits, while lawful in their season, are "unprofitable" when made by man, what God never intended them to be, the chief good. Solomon had tried to create an artificial forced joy, at times when he ought rather to have been serious; the result, therefore, of his labor to be happy, out of God's order, was disappointment.