"It is human nature to hate those whom we have injured." - Agricola (XLII, 4)
"Long, I pray, may foreign nations persist, if not in loving us, at least in hating one another; for destiny is driving our empire upon its appointed path, and fortune can bestow upon us no better gift than discord among our foes."
- Germania
 
"It is the rare fortuene of these days that one may think what one likes and say what one thinks."
- Histories
 
"Speech was given to man to disguise his thoughts. "
- Annales (XI, 29)
 
"Power is more safely retained by cautious than by severe councils."
- Annales (XI, 29)
 
"Power acquired by guilt was never used for a good purpose."
- Annales (I, 30)
 
"It is human nature to hate those whom we have injured."