If at first you don't succeed, try management.
Look up at the stars, not down at your feet.
The idea of 10 dimensions might sound exciting, but they would cause real problems if you forget where you parked your car.
I'd say I don't believe in God, but I'm afraid He might hear me.
I thought Eddie Redmayne portrayed me very well... At times I thought he was me.
It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years.