Rationality and the instinct of collaboration have already given us large regions and long periods of peace and prosperity. Ultimately, they will lea….

The new coherent picture is not yet available. With all their immense empirical success, G(eneral)R(elativity) and Q(uantum)M(echanics) have left us ….

I think that the resistance against Darwin is not just the difficulty of seeing the power of a spectacularly beautiful explanation: it is the fear of….

Listening a cultivated person of today that jokes and almost boasts about his scientific ignorance, is as sad as listening a scientist that boasts ab….

Don't trust your teachers..

An overly pragmatic attitude is not productive on the long run..

Einstein’s 1905 paper came out and suddenly changed people’s thinking about space-time. We’re again in the middle of something like that. When the du….

We never really see time. We see only clocks. If you say this object moves, what you really mean is that this object is here when the hand of your cl….

The very foundation of science is to keep the door open to doubt. Precisely because we keep questioning everything, especially our own premises, we a….

I think that physics is about escaping the prison of the received thoughts and searching for novel ways of thinking the world, about trying to clear ….

I worry that free imagination is overvalued, and I think this carries risks..