Self-discipline is the key to personal greatness. It is the magic quality that opens all doors for y...

Self-discipline is the key to personal greatness. It is the magic quality that opens all doors for you, and makes everything else possible.

Brian Tracy

QuoteNova.net

Self-discipline is the key to personal greatness. It is the magic quality that opens all doors for you, and makes everything else possible. - Brian Tracy quote

Self-discipline is the key to personal greatness. It is the magic quality that opens all doors for you, and makes everything else possible.

Brian Tracy

More Brian Tracy quotes

Quote authenticity

Score:	Excellent This quote has an official author source You can cite this quote with confidence as true and correct Listed below is the factual evidence of an official source published by either the author, an author's representative or estate

Official sources:

2017 November 05	Link: https://books.google.com/books?id=Wpd1p0twvdMC&pg=PR8&dq=Self-discipline+is+the+key+to+personal+greatness.+It+is+the+magic+quality+that+opens+all+doors+for+you,+and+makes+everything+else+possible.+brian+tracy&hl=en&sa=X&ved=0ahUKEwjKiZDJ09HWAhUHmpQKHcBSAa0Q6AEIKDAA#v=onepage&q=Self-discipline%20is%20the%20key%20to%20personal%20greatness.%20It%20is%20the%20magic%20quality%20that%20opens%20all%20doors%20for%20you%2C%20and%20makes%20everything%20else%20possible.%20brian%20tracy&f=false	Image evidence

Random authors:

Brian Tracy

Brian Tracy

American motivational speaker and writer

January 5th, 1944