There are two different conceptions about the nature of the universe: (1) the world as a unity dependent on humanity; (2) the world as a reality independent of the human factor.

I believe that a simple and unassuming manner of life is best for everyone, best both for the body and the mind.

Those who manage their way into a crisis are not necessarily the right people to manage their way out of a crisis

It should be possible to explain the laws of physics to a barmaid.

Persistence is the most powerful force on earth, it can move mountains.

Failure is only postponed success as long as courage 'coaches' ambition.

The more one chases the quanta, the better they hide themselves.