Solomon proves, that we ought to make use of what God has given us, by shewing the mutability of all human affairs, ver. 1- 10. The immutability and unsearchableness of the Divine counsels, ver. 11-15. The vanity of honour and power, often an instrument of oppression, for which God will judge the oppressors, ver. 16, 17. Whose condition in this world is no better than that of brutes, ver. 18-21. Therefore live well, ver. 22.