If my mind can conceive it, if my heart can believe it, then I can achieve it.
Muhammad Ali
Believe you can and you’re halfway there.
Theodore Roosevelt
Never limit yourself because of others’ limited imagination; never limit others because of your own limited imagination
Mae Jemison, American engineer
We must believe that we are gifted for something, and that this thing, at whatever cost, must be attained.
Marie Curie, French physicist and chemist
The people who are crazy enough to think they can change the world are the ones who do.
Steve Jobs
I scorched the earth with my talent and I let my light shine.
André Leon Talley, American fashion journalist
Nothing is impossible. The word itself says ‘I’m possible!’
Audrey Hepburn
Never bend your head. Always hold it high. Look the world straight in the eye.
Helen Keller
Never allow a person to tell you no who doesn’t have the power to say yes.
Eleanor Roosevelt
It took me quite a long time to develop a voice, and now that I have it, I am not going to be silent.
Madeleine Albright, former U.S. Secretary of State