He (Tiberius) was wont to mock at the arts of physicians, and at those who, after thirty years of age, needed counsel as to what was good or bad for their bodies.

In private enterprises men may advance or recede, whereas they who aim at empire have no alternative between the highest success and utter downfall.

Custom adapts itself to expediency.

Crime succeeds by sudden despatch; honest counsels gain vigor by delay.

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

Nothing mortal is so unstable and subject to change as power which has no foundation.

Things are not to be judged good or bad merely because the public think so.