regards @chbartist All men and women have to fight with the "NO", in terms of using the power of conviction towards others, it is elementary to keep the "NO" in every decision to seek the truth.
All the spirits unleash between what is convenient in this life or not. What can we understand, when we present the affirmative syllable? We would live in a desert and we would never know our fulfillment in what we undertake.
I can not remember in a single moment in any discussion or approach where there is no "NO". Would we remain silent, quiet because we did not pronounce disagreement with something, for the simple act of pleasing others? And your criteria where it is ?.

Discovering your success to others rests on a "NO", showing your reason, even if you do not like others. Now let us understand that nobody could escape the negative acceptance "NO", it is a war between the right and the wrong; no one can escape because through it the personal growth of man is complemented