It is a miracle that curiosity survives formal education.

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

Never lose a holy curiosity.

He who can no longer pause to wonder and stand rapt in awe, is as good as dead.

Even the genius asks questions.

Having wandered some distance among gloomy rocks, I came to the entrance of a great cavern ... Two contrary emotions arose in me: fear and desire--fear of the threatening dark cavern, desire to see whether there were any marvelous things in it.