People

Quis vitia odit, homines odit
He who hates vice, hates mankind.

Seniores priores
The elder ones first.

senex bis puer
An old man is a boy again.

Aegri somnia vana (Horace)
Delusive dreams of a sick man.

Animal implume, bipes (Plato)
A two-legged, featherless animal.

Homo sum; humani nil a me alienum puto (Terence)
I am human; I consider nothing human to be foreign to me.

Errare est humanum.
(Seneca the Younger, an ancient Roman philosopher)
To err is human.