Again, I was contemplating all the labors of men. And I took notice that their endeavors are open to the envy of their neighbor. And so, in this, too, there is emptiness and superfluous anxiety.
For, in times past, we ourselves were also unwise, unbelieving, erring, servants of various desires and pleasures, acting with malice and envy, being hateful and hating one another.
Do not be like Cain, who was of the evil one, and who killed his brother. And why did he kill him? Because his own works were wicked, but his brother's works were just.