The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark.

Life is like riding a bicycle. To keep your balance, you must keep moving.
I know that I am intelligent because I know that I know nothing.
I am not what happened to me, I am what I choose to become.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
I am not afraid... I was born to do this.
It is during our darkest moments that we must focus to see the light.
Every child is an artist. The problem is how to remain an artist once we grow up.
Art is never finished, only abandoned.
The only thing necessary for the triumph of evil is for good men to do nothing.

I think, therefore I am.
Our greatest glory is not in never falling, but in rising every time we fall.
In the end, we will remember not the words of our enemies, but the silence of our friends.
The only way to do great work is to love what you do.
The future belongs to those who believe in the beauty of their dreams.
The journey of a thousand miles begins with one step.
It does not matter how slowly you go as long as you do not stop.

The only limit to our realization of tomorrow will be our doubts of today.
Simplicity is the ultimate sophistication.
The art of progress is to preserve order amid change and to preserve change amid order.