Tacitus

It is always easier to requite an injury than a service: gratitude is a burden, but revenge is found to pay.

A bad peace is even worse than war.

It is less difficult to bear misfortunes than to remain uncorrupted by pleasure.

A desire to resist oppression is implanted in the nature of man.

To plunder, to slaughter, to steal, these things they misname empire; and where they make a wilderness, they call it peace.

It is human nature to hate the man whom you have hurt.

It belongs to human nature to hate those you have injured.

Noble character is best appreciated in those ages in which it can most readily develop.