It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing...

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

A racist mind is an enemy of its happiness.

As I walked out the door toward the gate that would lead to my freedom, I knew if I didn't leave my bitterness and hatred behind, I'd still be in prison.

The United States is like one big jail for Black people, because we're locked into a mentality and a mindset that limits our potential. It has us against us.

My cat did that the other day when he came in from the garden.

Public schools are the nurseries of all vice and immorality.

None can love freedom heartily, but good men; the rest love not freedom, but license.

I couch-surfed for years. But I always wanted to live in Baltimore; I still do. If I had to choose, it would always be Baltimore.

I've never played anybody like a cop before.

News, by and large, has been the purest of all the television mediums, or at least we've tried to keep it that way, and there constantly is the argument about the separation between church and state.

In America, the policeman is a working-class hero. In England, the policeman is a working-class traitor.