“The valiant never taste of death but once” – Who said this?

‘Julius Caesar’ is a great tragedy by William Shakespeare.
In this play, the Roman dictator Julius Caesar made this memorable speech:
- “Cowards die many times before their death, the valiant never taste of death but once.” [Act II, Scene II ]

Other dialogues:
- 'Veni, Vidi, Vici (I came, I saw, I conquered)',
- 'Brutus, you too!'.

Source: Shakespeare.org