Niels Bohr

“Einstein, stop telling God what to do!”

“If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.”

“An expert is a person who has made all the mistakes that can be made in a very narrow field.”

“The meaning of life consists in the fact that it makes no sense to say that life has no meaning.”

“How wonderful that we have met with a paradox. Now we have some hope of making progress.”

“A physicist is just an atom's way of looking at itself.”

“Prediction is very difficult, especially if it's about the future.”

“עדיף לא להבין משהו נכון, מאשר להבין משהו לא נכון.”

“זה לא נכון. זה אפילו לא שגוי”

“ניבוי הוא מסובך מאוד, במיוחד בנוגע לעתיד.”

“כמה טוב שנתקלנו בפרדוקס. כעת ישנה תקווה להתקדמות כלשהי.”

“מומחה הוא אדם שעשה את כל הטעויות האפשריות בתחום מומחיותו.”

“אדם שלא נדהם ממכניקת הקוונטים, לא הבין אותה.”

“Prediction is very difficult, especially about the future.”

“The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.”

“The very nature of the quantum theory ... forces us to regard the space-time coordination and the claim of causality, the union of which characterizes the classical theories, as complementary but exclusive features of the description, symbolizing the idealization of observation and description, respectively.”

“The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.”

“Everything we call real is made of things that cannot be regarded as real.”

“You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.”

“Every description of natural processes must be based on ideas which have been introduced and defined by the classical theory.”