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You perform as well as you believe yourself capable of performing. You are as effective as you believe yourself to be in whatever you do. You can never be better or different on the outside than you believe yourself to be on the inside.

You perform as well as you believe yourself capable of performing. You are as effective as you believe yourself to be in whatever you do. You can never be better or different on the outside than you believe yourself to be on the inside.

Approximate author period: c. 1944 AD · modern

Meaning not yet available

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Attribution & collection notes
Author or tradition
Brian Tracy
Attribution: attributed
Country attributed
Not established
A country attribution does not establish the earliest origin.
Historical period
Approximate author period: c. 1944 AD · modern
Approximate author-period anchor from documented birth year 1944; activity date not established; Wikidata Q582473, https://www.wikidata.org/wiki/Q582473 (accessed 2026-10-08). Not a quotation composition date.
An author lifetime, approximate period or collection date is not necessarily the date when these words were first written or spoken.
Recorded source
Contributor-provided quotation collection

Supplied reference C; CSV row 328534; supplied attribution, independently unverified

A collection's publication date can be later than the words it records.