The ultimate arbiter of truth is experiment, not the comfort one derives from one's a priori beliefs, nor the beauty or elegance one ascribes to one's theoretical models.

The lack of understanding of something is not evidence for God. It's evidence of a lack of understanding.

The purpose of education is not to validate ignorance but to overcome it.

I like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them.

Without science, everything is a miracle.

As a scientist, I don't believe anything. Science shouldn't use the word belief. There are things more likely and less likely. Science can say nothing with absolute certainty.

[The writers of the holy books] did not even know the earth revolves around the sun. Why are we listening?

Forget Jesus. The stars died so that you could be here today.

Keeping religion immune from criticism is both unwarranted and dangerous.

Whatever the evolutionary basis of religion, the xenophobia it now generates is clearly maladaptive.

It is a shame when nonsense can substitute for fact with impunity.

Great faith, Great hope, Great courage.

Whoever desires is always poor.

I know a good many people, I think, who are bigots, and who know they are bigots, and are sorry for it, but they dare not be anything else.

The aim of life is appreciation; there is no sense in not appreciating things; and there is no sense in having more of them if you have less appreciation of them.

Under Donald Trump, you know, we've seen the foundation of the Republican Party move into the Democratic Party, so Donald Trump, I think, will have a lot of trouble moving things through Congress.

It isn't the American white man who is a racist, but it's the American political, economic and social atmosphere that automatically nourishes a racist psychology in the white man.

I don't have secrets in my life. Everything is out there.

Sincerity is the way to heaven.

We must try to contribute joy to the world... I didn't always know this and am happy I lived long enough to find it out.

Do some Sadhana. Realize the Atma! Always think like that . . . "I am the Atma. I am all."