“You can only grow if you're willing to feel awkward and uncomfortable when you try something new.”
“You can only become great at something you are willing to sacrifice for”
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Maya Angelou 247
American author and poet 1928–2014Related quotes

“Really great people make you feel that you, too, can become great.”
Variant: great people are those who make others feel that they, too, can become great.

“You can only lose something that you have, but you cannot lose something that you are.”
Source: A New Earth: Awakening To Your Life's Purpose

“If you want something you have never had, you must be willing to do something you have never done.”
Not found in Jefferson's writings, according to the Jefferson Monticello center https://www.monticello.org/site/research-and-collections/if-you-want-something-you-have-never-had-quotation. First known appearance in print is from 2004.
Misattributed

“Difficult and great sacrifices always lead to something better.”
Original: Grandi e difficili sacrifici portano sempre a qualcosa di migliore.
Source: prevale.net
“The only way you can be the best at something is to be the best you can be.”
Source: Life As We Knew It
“If you want something you've never had you have to be willing to do something you've never done.”
Source: Life, the Truth, and Being Free (2010), p. 97