Seize the day [Carpe diem]: trust not to the morrow.
An envious man grows lean at another's fatness.
Jokes aside, let us turn to serious matters.
Help a man against his will and you do the same as murder him.
The arrow will not always find the mark intended.
Many brave men lived before Agamemnon; but, all unwept and unknown, are lost in the distant night, since they are without a divine poet (to chronicle their deeds).