We shall require a substantially new manner of thinking if mankind is to survive. 

It is a far, far better thing that I do, than I have ever done; it is a far, far better rest that I go to, than I have ever known.

No sanction can stand against ignited minds.

Whatever you have, you must either use or lose. 

We have not invaded anyone. We have not conquered anyone. We have not grabbed their land, their culture, their history and tried to enforce our way of life on them.

All religions, arts and sciences are branches of the same tree. 

Before everything else, getting ready is the secret of success. 
colour - so long as it's black. 

It was the best of times, it was the worst of times.

Follow the path of the unsafe, independent thinker. Expose your ideas to the danger of controversy. Speak your mind and fear less the label of 'crackpot' than the stigma of conformity. 

Waste is worse than loss. The time is coming when every person who lays claim to ability will keep the question of waste before him constantly. The scope of thrift is limitless.

I do not believe a man can ever leave his business. He ought to think of it by day and dream of it by night. Henry Ford A bore is a person who opens his mouth and puts his feats in it. 

My parents shared not only an improbable love, they shared an abiding faith in the possibilities of this nation. They would give me an African name, Barack, or blessed, believing that in a tolerant America your name is no barrier to success.