O tempora! O mores! - Cicero

Historia vero testis
temporum, lux veritatis,
vita memoriae, magistra
vitae.

History is the witness
of the times, the light of
truth, the life of memory,
the mistress of life.

But when there is mutual fear between one individual and another, and between one class and another, then, because no one can rely on his own strength, a kind of pact is made between the people and the powerful few. From that emerges the compromise recommended by Scipio, i.e. the mixed form of government. You see, the mother of justice is not nature, nor good intentions, but weakness. For when one is faced with a threefold choice: (a) to do injury

nemo enim umquam est oratorem, quod Latine loqueretur, admiratus; si est aliter, inrident neque eum oratorem tantum modo, sed hominem non putant.