²¹ A person can work hard using all his wisdom, knowledge and skill. But he will die, and other people will get the things he worked for. They did not do the work, but they will get everything. This is also unfair and useless. ²² What does a person get for all his work and struggling here on earth? ²³ All his life his work is full of pain and sorrow. Even at night his mind doesn’t rest. This is also useless.