Learn To Say No Quotes by Elizabeth Gilbert, Paulo Coelho, Charles Spurgeon, Robert A. Heinlein, Jose Carreras, Mireille Guiliano and many others.

It seems obvious that there comes period in your life when you have to learn to say no to things you don’t want to do. But the biggest trickiest lesson in holding on the stalwart committment to your creativity is learning how to say no to the things you do want to do.
Don’t say maybe if you want to say no.
Learn to say no; it will be of more use to you than to be able to read Latin.
Learn to say No—and to be rude about it when necessary. Otherwise you will not have time to carry out your duty, or to do your own work, and certainly no time for love and happiness. The termites will nibble away your life and leave none of it for you.
When you arrive at a certain level it’s very easy to say yes: that is the moment to learn to say no.
Learn to say no, with an eye to saying yes to something else.
Don’t take on things you don’t believe in and that you yourself are not good at. Learn to say no. Effective leaders match the objective needs of their company with the subjective competencies. As a result, they get an enormous amount of things done fast.
Learn to say ‘no’ to the good so you can say ‘yes’ to the best.
When you say ‘yes’ to others, make sure you are not saying ‘no’ to yourself.
Learn to say no in situations where saying no can be difficult, where it could mean getting fired. Say no anyway, because it could lead you to greater opportunities.
One key to successful relationships is learning to say “no” without guilt, so that you can say “yes” without resentment.
Learn to say no, so your yes has some oomph.