Percy Bysshe Shelley on courage

Revenge is the naked idol of the worship of a semi-barbarous age.

Gold is a living god and rules in scorn,
All earthly things but virtue.

Love’s very pain is sweet,
But its reward is in the world divine
Which, if not here, it builds beyond the grave.

Courage is the first of human qualities because it is the quality which guarantees the others.

Aristotle384–322 BC

Cowards die many times before their deaths. The valiant never taste of death but once.

William Shakespeare1564–1616Julius Caesar (1599), Act II, scene ii.In context

Success is not final, failure is not fatal: it is the courage to continue that counts.