The only limitation is that which one sets up in one's own mind.

There are no limitations to the mind except those we acknowledge

A quitter never wins-and-a winner never quits.

TELL THE WORLD WHAT YOU INTEND TO DO, BUT FIRST SHOW IT.This is the equivalent of saying "deeds, and not words, are what count most.

Whatever the mind can conceive and believe, it can achieve.

Failure is nature's plan to prepare you for great responsibilities