“Success is more about what you say NO to than what you say YES to. You can completely destroy your personal energy by saying yes to the wrong types of things.”
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Teal Swan 226
American spiritual teacher 1984Related quotes
Your Job-Hunt Ltd – Advice from an Award-Winning Asian Headhunter (2003), Successful Recruitment in a Week (2012) https://books.google.ae/books?idp24GkAsgjGEC&printsecfrontcover&dqnigel+cumberland&hlen&saX&ved0ahUKEwjF75Xw0IHNAhULLcAKHazACBMQ6AEIGjAA#vonepage&qnigel%20cumberland&ffalse, 100 Things Successful People Do: Little Exercises for Successful Living (2016) https://books.google.ae/books?idnu0lCwAAQBAJ&dqnigel+cumberland&hlen&saX&ved0ahUKEwjF75Xw0IHNAhULLcAKHazACBMQ6AEIMjAE

Knox College commencement address http://www.knox.edu/colbert.xml (3 June 2006)
Context: Don’t be afraid to be a fool. Remember, you cannot be both young and wise. Young people who pretend to be wise to the ways of the world are mostly just cynics. Cynicism masquerades as wisdom, but it is the farthest thing from it. Because cynics don’t learn anything. Because cynicism is a self-imposed blindness, a rejection of the world because we are afraid it will hurt us or disappoint us. Cynics always say no. But saying yes begins things. Saying yes is how things grow. Saying yes leads to knowledge. "Yes" is for young people. So for as long as you have the strength to, say yes.

“Say no to many good things so you can say yes to a few great things.”
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Act II
A Man for All Seasons (1960)

“Great Days”, conclusion.
Great Days (1979)

“Never allow a person to tell you no who doesn't have the power to say
yes.”

“What does your conscience say? — "You shall become the person you are."”
Was sagt dein Gewissen?
'Du sollst der werden, der du bist.'
Variant translation: Become who you are.
It is noted here http://www.anonymityone.com/Faq97.htm, here http://www.google.it/search?num=100&hl=en&safe=off&q=%22Become%20who%20you%20are%22+Pindar+Nietzsche&um=1&ie=UTF-8&tbo=u&tbm=bks and here http://www.google.it/search?num=100&hl=it&safe=off&biw=1440&bih=690&q=%22%28become+what+you+are%29+after+the+ancient+Greek+poet+Pindar.+See+Ecce+Homo+%28Nietzsche%29%22 that the phrase was first used by Pindar, and was merely re-used by Nietzsche.
Sec. 270
The Gay Science (1882)