1. The delusion that individual advancement is made bycrushing others.
2. The tendency to worry about things that cannot becorrected.
3. Insisting that a thing is impossible because we cannotaccomplish it.
4. Refusing to set aside trivial preferences.
5. Neglecting development and refinement of the mind and notacquiring the habit of reading and studying.
6. Attempting to compel other persons to believe and live aswe do.
-Cicero, 106 BC-43 BC
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