Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity. 
Education is the most powerful weapon which you can use to change the world.
Friendships are fragile things, and require as much handling as any other fragile and precious thing.
What we know as 'life' is the analytical realization in the seriality of time of our eternal reality.
To make good use of what you have and to let go of what you do not use is to live in a contented way.
Do everything you ask of those you command.
Change is the end result of all true learning.
I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character.
As I open my heart its treasures overflow.
We tend to see things not as they are but as we are. Becoming quiet and simple inside is a first step to seeing things truly.
A friend is one who knows you and loves you just the same.
Conditions for creativity are to be puzzled; to concentrate; to accept conflict and tension; to be born everyday; to feel a sense of self.
This I conceive to be the chemical function of humor: to change the character of our thought.
The future belongs to those who prepare for it today.
The power of concentration automatically brings determination. Determination is the key to success.