Authors:

The cause of all these evils was the lust for power arising from greed and ambition; and from these passions proceeded the violence of parties once engaged in contention.

Thucydides, Victor Davis Hanson, Robert B. Strassler (2008). “The Landmark Thucydides”, p.200, Simon and Schuster
The cause of all these evils was the lust for power arising from greed and ambition; and from these passions proceeded the violence of parties once engaged in contention.