144 Quotes by Niels Bohr

It is the hallmark of any deep truth that its negation is also a deep truth.

Vivere est Cogitare.

An expert is a person who has found out by his own painful experience all the mistakes that one can make in a very narrow field.

I myself find the division of the world into an objective and a subjective side much too arbitrary. The fact that religions through the ages have spoken in images, parables, and paradoxes means simply that there are no other ways of grasping the reality to which they refer. But that does not mean that it is not a genuine reality. And splitting this reality into an objective and a. subjective side won’t get us very far.

A person who wasn’t outraged on first hearing about quantum theory didn’t understand what had been said.

In quantum mechanics... an observation here and now changes in general the ‘state’ of the observed system... I consider the unpredictable change of the state by a single observation... to be an abandonment of the idea of the isolation of the observer from the course of physical events outside himself.

Perhaps I have found out a little about the structure of atoms.

A deep truth is a truth so deep that not only is it true but it’s exact opposite is also true.

The very fact that knowledge is itself the basis for civilization points directly to openness as the way to overcome the present crisis.