It is graceful in a man to think and to speak with propriety, to act with deliberation, and in every occurrence of life to find out and persevere in the truth. On the other hand, to be imposed upon, to mistake, to falter, and to be deceived, is as ungraceful as to rave or to be insane.
This is the part of a great man, after he has maturely weighed all circumstances, to punish the guilty, to spare the many, and in every state of fortune not to depart from an upright, virtuous conduct.
But if you should take the bond of goodwill out of the universe no house or city could stand, nor would even the tillage of the fields abide. If that statement is not clear, then you may understand how great is the power of friendship and of concord from a consideration of the results of enmity and disagreement. For what house is so strong, or what state so enduring that it cannot be utterly overthrown by animosities and division?
Lucius Cassius ille quem populus Romanus verissimum et sapientissimum iudicem putabat identidem in causis quaerere solebat 'cui bono' fuisset. The famous Lucius Cassius, whom the Roman people used to regard as a very honest and wise judge, was in the habit of asking, time and again, 'To whose benefit?
No man can be brave who thinks pain the greatest evil; nor temperate, who considers pleasure the highest god.
[Lat., Fortis vero, dolorem summum malum judicans; aut temperans, voluptatem summum bonum statuens, esse certe nullo modo potest.]