Never think there is anything impossible for the soul. It is the greatest heresy to think so. If there is sin, this is the only sin; to say that you are weak, or others are weak.

To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.

No sanction can stand against ignited minds.

Just as a man would not cherish living in a body other than his own, so do nations not like to live under other nations, however noble and great the latter may be.

I like to see a man proud of the place in which he lives. I like to see a man live so that his place will be proud of him.

How you respond to a given situation makes all the difference between success and failure.

Let not the 12 million Negroes be ashamed of the fact that they are the grandchildren of slaves. There is dishonor in being slave-owners.

Politics is for the present, but an equation is for eternity. 

It is about one's wisdom that came with the years of hardship.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young. 

We live in a wonderful world that is full of beauty, charm and adventure. There is no end to the adventures we can have if only we seek them with our eyes open.

What difference does it make to the dead, the orphans, and the homeless, whether the mad destruction is wrought under the name of totalitarianism or the holy name of liberty or democracy?