: "Sigma rule: Focus on your goals so intensely that you forget to notice who's watching."
: You must trust your own ability, especially when others do not. : "Sigma rule: Focus on your goals so
: "Work hard in silence. Let success make the noise." : "Sigma rule: Focus on your goals so
: "I don't compete with anyone; my only competition is who I was yesterday." : "Sigma rule: Focus on your goals so
: "Sigma rule: Focus on your goals so intensely that you forget to notice who's watching."
: You must trust your own ability, especially when others do not.
: "Work hard in silence. Let success make the noise."
: "I don't compete with anyone; my only competition is who I was yesterday."