In Einstein's theory of relativity the observer is a man who sets out in quest of truth armed with a measuring-rod. In quantum theory he sets out with a sieve.

For the truth of the conclusions of physical science, observation is the supreme Court of Appeal.

The quest of the absolute leads into the four-dimensional world.

Something unknown is doing we don't know what-that is what our theory amounts to.

Whether in the intellectual pursuits of science or in the mystical pursuits of the spirit, the light beckons ahead, and the purpose surging in our nature responds.

I don't believe any experiment until it is confirmed by theory. I find this is a witty inversion of "conventional" wisdom.

It is a primitive form of thought that things exist or do not exist.