“Absence of evidence is not evidence of absence.”

“Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.”

“We live in a society absolutely dependent on science and technology and yet have cleverly arranged things so that almost no one understands science and technology. That's a clear prescription for disaster.”

“For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.”

“The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true.”

“We're made of star-stuff. We are a way for the cosmos to know itself.”

“The most important thing in any relationship is not what you get but what you give.”

“The truth — that love is the ultimate and the highest goal to which man can aspire.”

“Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.”

“No one is born hating another person because of the colour of his skin, or his background, or his religion. People must learn to hate, and if they can learn to hate, they can be taught to love, for love comes more naturally to the human heart than its opposite.”

“On our earth we can only love with suffering and through suffering.”

“Love a man even in his sin, for that is the semblance of Divine Love and is the highest love on earth.”