The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality.

The secret to creativity is knowing how to hide your sources.

There is not the slightest indication that energy will ever be obtainable from the atom.

People like you and I, though mortal of course like everyone else, do not grow old no matter how long we live... [We] never cease to stand like curious children before the great mystery into which we were born. letter to Otto Juliusburger

It is, in fact, nothing short of a miracle that the modern methods of instruction have not entirely strangled the holy curiosity of inquiry.

I am satisfied with the mystery of the eternity of life and with the awareness and a glimpse of the marvelous structure of the existing world, together with the devoted striving to comprehend a portion, be it ever so tiny, of the Reason that manifest

Creativity is knowing how to hide your sources

There was this huge world out there, independent of us human beings and standing before us like a great, eternal riddle, at least partly accessible to our inspection and thought. The contemplation of that world beckoned like a liberation.

Those people have seen something. What it is I do not know and I can not care to know. (on flying saucers)

I have no special talents. I am only passionately curious.

The author of the Iliad is either Homer or, if not Homer, somebody else of the same name.

Many people find the universe confusing - it's not.