Del "Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it." - Niels Bohr difficulty, solution, thinking, change 1
Del "How wonderful that we have met with a paradox. Now we have some hope of making progress. " - Niels Bohr paradox, progress 1
Del "An expert is a man who has made all the mistakes which can be made in a narrow field." - Niels Bohr expert, mistakes, narrow field 1
Del "Everything we call real is made of things that cannot be regarded as real." - Niels Bohr real, thinking, logic 1
Del "There are some things so serious you have to laugh at them." - Niels Bohr life, serious, laugh 1
Del "Every sentence I utter must be understood not as an affirmation but as a question." - Niels Bohr affirmation, question 1
