‘You can do as much as you think you can,
If you’re afraid of yourself, young man,
There’s little for you in store.
For failure comes from the inside first.
It’s there if we only knew it,
And you can win, though you face the worst,
If you feel that you’re going to do it.’
by Edgar A. Guest
Pretty cool, right? I Googled the above and found this site (Sacred Texts), which is interesting also.