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There comes a time when every scientist, even God, has to write off an experiment.

I did not imagine that the second half of my life would be spent on efforts to avert a mortal danger to humanity created by science.

That's absolutely correct and in addition to that life just isn't an accident of the laws of physics. There's a long list of experiments that suggest just the opposite.

We have to learn again that science without contact with experiments is an enterprise which is likely to go completely astray into imaginary conjecture.

There is no greater impediment to progress in the sciences than the desire to see it take place too quickly.

The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.

Experiments were not attempted at that time, we did not believe in the usefulness of the concept anyway, and I finished my thesis in 1962 with a feeling like an artist balancing on a high rope without any interested spectators.

Everybody's a mad scientist, and life is their lab. We're all trying to experiment to find a way to live, to solve problems, to fend off madness and chaos.