This quote shows how if your a tiger then you live in a jungle and Pi fights just like tigers in the jungle. Since Richard Parker is the savage side of Pi then Pi is in a jungle and he must fight or run into death.
certainly doesn't but if it's worth keeping it's worth fighting for. it's easier later on if you suffer through it now and work through it. the beginnings always the hardest but when the sun rises on that new day, our goals and dreams will be realized.