“I encourage people to remember that "no" is a complete sentence.”
Source: The Gift of Fear: Survival Signals That Protect Us from Violence
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Gavin de Becker 11
American engineer 1954Related quotes

“Till full stop doesn't come, the sentence is not complete.”
Dhoni doesn't give up midway. Halfway through a series, he was asked if India were beaten already.
Source: On Writing Well (Fifth Edition, orig. pub. 1976), Chapter 2, Simplicity, p. 12.

2010-, Ai Weiwei: 'Every day I think, this will be the day I get taken in again...', 2011

http://www.independent.co.uk/news/science/why-richard-dawkins-is-no-scientist-the-survival-of-the-least-selfish-and-what-ants-can-tell-us-about-humans-eo-wilson-on-his-new-book-the-meaning-of-human-existence-9849956.html

Diogenes Laërtius, vi. 49
Quoted by Diogenes Laërtius

Harassment in Hollywood's Golden Age: A Survivor's Firsthand Story (Guest Column) https://www.hollywoodreporter.com/news/harassment-hollywoods-golden-age-survivor-janis-paiges-first-hand-story-1052498 (October 27, 2017)