“But when your sword breaks, you draw your dagger.”

“We cannot understand. The best is perhaps what we understand least.”

“When our government is spoken of as some menacing, threatening foreign entity, it ignores the fact that, in our democracy, government is us.”

“The vision of life is not a "discovery"; it's a "work" and whatever position you occupy demands work. Your life may not be built on your visions if you go high and find yourself doing the vice. Going higher should be a priority; but being aware of the reason for getting there should be the focus!”

“If you have to eat a live frog at all, it doesn't pay to sit and look at it for very long.”

“Welfare's purpose should be to eliminate, as far as possible, the need for its own existence.”

“We, the people, declare today that the most evident of truths – that all of us are created equal – is the star that guides us still; just as it guided our forebears through Seneca Falls, and Selma, and Stonewall.”

“In politics, the tripod is the most unstable of all structures.”

“I have a dream that one day this nation will rise up and live out the true meaning of its creed: "We hold these truths to be self-evident, that all men are created equal." I have a dream that one day on the red hills of Georgia, the sons of former slaves and the sons of former slave owners will be able to sit down together at the table of brotherhood. I have a dream that one day even the state of Mississippi, a state sweltering with the heat of injustice, sweltering with the heat of oppression, will be transformed into an oasis of freedom and justice. 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. I have a dream today! I have a dream that one day, down in Alabama, with its vicious racists, with its governor having his lips dripping with the words of "interposition" and "nullification" -- one day right there in Alabama little black boys and black girls will be able to join hands with little white boys and white girls as sisters and brothers. I have a dream today! I have a dream that one day every valley shall be exalted, and every hill and mountain shall be made low, the rough places will be made plain, and the crooked places will be made straight; "and the glory of the Lord shall be revealed and all flesh shall see it together.”

“You make experiments and I make theories. Do you know the difference? A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.

“Above all, we must realize that no arsenal, or no weapon in the arsenals of our world, is so formidable as the will and moral courage of free men and women. It is a weapon our adversaries in today's world do not have.”

“The new and terrible dangers which man has created can only be controlled by man.”

“A little rebellion is good now and then.” 

“The most difficult subjects can be explained to the most slow- witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him.”

“Each path to knowledge involves different rules and these rules are not interchangeable.”