Challenges Quote by Neil deGrasse Tyson

Science is about questioning things.

— Alice Roberts

I am generally fascinated by what are the big, challenging questions - that's behind my curiosity.

— Paul Allen

The questions worth asking, in other words, come not from other people but from nature, and are for the most part delicate things easily…

— Robert B. Laughlin

But then science is nothing but a series of questions that lead to more questions.

— Terry Pratchett

“The "question" is the smallest and greatest unit of discovery.”

— Ted Agon

The excitement that science possess is its ability to answer the big questions.

— Lynne McTaggart

Everything we know has its origins in questions. Questions, we might say, are the principal intellectual instruments available to human beings.

— Neil Postman

Science is a quest for understanding.

— Jocelyn Bell Burnell

The greatest discoveries all start with the question "Why?"

— Robert Ballard

“Faced with an exciting question, science tended to provide the dullest possible answer.”

— David Sedaris

There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe…

— Richard P. Feynman

Every beginning is difficult, holds in all sciences.

— Karl Marx