Niels Bohr (1885-1962)

Niels Henrik David Bohr was a Danish theoretical physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. He was also a philosopher and a promoter of scientific research.

Quotes

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

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

Experts, Mistakes
Anyone who is not shocked by quantum theory has not understood it.
Your theory is crazy, but it's not crazy enough to be true.

Ideas
Anyone who says that they can contemplate quantum mechanics without becoming dizzy has not understood the concept in the least.

Science
Prediction is very difficult, especially about the future.

The Future, Time
Never express yourself more clearly than you are able to think.

Talking, Thinking
Of course I don't believe in it. But I understand that it brings you luck whether you believe in it or not.

Luck