“Politics is not religion and we should govern on the basis of evidence, not theology.”

There is nothing more precious to a parent than a child, and nothing more important to our future than the safety of all our children.

Leadership means bringing people together in pursuit of a common cause, developing a plan to achieve it, and staying with it until the goal is achieved.

Yesterday is yesterday. If we try to recapture it, we will only lose tomorrow.

I admire that about the Republicans: The evidence does not faze them. They are not bothered at all by the facts.

We cannot idealize technology. Technology is only and always the reflection of our own imagination, and its uses must be conditioned by our own values. Technology can help cure diseases, but we can prevent a lot of diseases by old-fashioned changes in behavior.

There is nothing wrong with America that cannot be cured with what is right in America.

When personal freedom’s being abused, you have to move to limit it. That’s what we did in the announcement I made last weekend on the public housing projects, about how we’re going to have weapon sweeps.

I believe that a worthwhile life is defined by a kind of spiritual journey and a sense of obligation.

I still believe in a place called Hope.

I am opposed to abortion and to government funding of abortions. We should not spend state funds on abortions because so many people believe abortion is wrong.

So much of modern politics is focused not on honest differences of policy but on personal attacks.

I’ve been in politics long enough to expect criticism and hostility. But I was unprepared for the hatred I get from Christians. Why do Christians hate so much?.

Keep your eyes on the prize and don’t turn back.

We must teach our children to resolve their conflicts with words, not weapons.

Sometimes there is a difference in what is legal and what ought to be done.

Today’s possibilities are not tomorrows guarantees.

A final proof of our ideas can only be obtained by detailed studies on the alterations produced in the amino acid sequence of a protein by mutations of the type discussed here.

Your existence is evidence that this generation needs something that your life contains.

No evidence compels the conclusion that the minimum required intake of any vitamin comes close to the optimum intake that sustains good health.

A rich man without charity is a rogue; and perhaps it would be no difficult matter to prove that he is also a fool.

It has yet to be shown by direct biochemical methods, as opposed to the indirect genetic evidence mentioned earlier, that the code is indeed a triplet code.

There’s no such thing as love; only proof of love.

A Jew is for me an object of disgust. I feel like vomiting when I see one. Christ could not possibly have been a Jew. It is not necessary to prove that scientifically – it is a fact. I do not need to prove this with science or scholarship. It is so!

Mathematicians come to the solution of a problem by the simple arrangement of the data, and reducing the reasoning to such simple operations, to judgments so brief, that they never lose sight of the evidence that serves as their guide.