It's actually the samurai ...

It's actually the samurai spirit, which is 'no fear and never give up.
 Enson Inoue

Quotes from the same author

Everyone feels fear. What a samurai or warrior is, is what you do when you feel fear.
 Enson Inoue
It's not about being tough but to accept your weaknesses and work to get stronger day by day.
 Enson Inoue