Those who gave thee a body, furnished it with weakness; but He who gave thee Soul, armed thee with resolution. Employ it, and thou art wise; be wise and thou art happy.
I have personally seen statements that were longer than some books I have read.
There is nothing more natural than to consider everything as starting from oneself, chosen as the center of the world; one finds oneself thus capable of condemning the world without even wanting to hear its deceitful chatter.