So I hated life, because what is done under the sun was grievous to me; for all is vanity and a chasing after wind. I hated all my toil in which I had toiled under the sun, seeing that I must leave it to those who come after me —and who knows whether they will be wise or foolish? Yet they will be master of all for which I toiled and used my wisdom under the sun. This also is vanity. So I turned and gave my heart up to despair concerning all the toil of my labors under the sun, because...