O the times! O the manners!

[O tempora, o mores!]

Marcus Tullius Cicero (106-43 BC) Roman orator, statesman, philosopher

Orationes in Catilinam [Catilinarian Orations], No. 1, § 1, cl. 2 (1.1.2) (63-11-08 BC) [tr. Mongan (1879)]
    (Source)

(Source (Latin)). Alternate translations:

Oh what times! what a world do we live in!
[tr. Wase (1671)]

But O degenerate times!
[tr. Sydney (1795)]

Shame on the age and on its principles!
[tr. Yonge (1856)]

O the times! O the manners.
[tr. Underwood (1885)]

O times! O manners!
[tr. Dewey (1916)]

What a scandalous commentary on our age and its standards!
[tr. Grant (1960)]

O what times (we live in)! O what customs (we pursue)!
[IB Notes]

What times! What morals!
[Source]