Believe you can and you're halfway there.

The best way to predict the future is to create it.
Life is really simple, but we insist on making it complicated.
In three words I can sum up everything I've learned about life: it goes on.

The only thing standing between you and your goal is the story you keep telling yourself as to why you can't achieve it.
Life is what happens when you're busy making other plans.

I have not failed. I've just found 10,000 ways that won't work.
The only place where success comes before work is in the dictionary.
To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
The purpose of our lives is to be happy.
Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.

The only limit to our realization of tomorrow will be our doubts of today.
Do not wait for leaders; do it alone, person to person.
The only true wisdom is in knowing you know nothing.
If you want to go fast, go alone. If you want to go far, go together.
The only thing we have to fear is fear itself.
The greatest glory in living lies not in never falling, but in rising every time we fall.