I think it's much more interesting to live not knowing than to have answers which might be wrong.

There's plenty of room at the bottom.

Another thing I must point out is that you cannot prove a vague theory wrong.

As usual, nature's imagination far surpasses our own, as we have seen from the other theories which are subtle and deep.

My friends and I had taken dancing lessons, although none of us would ever admit it. In those depression days, a friend of my mother was trying to make a living by teaching dancing in the evening, in an upstairs dance studio. There was a back door to the place, and she arranged it so the young men could come up through the back way without being seen.

The world is a dynamic mess of jiggling things

To guess what to keep and what to throw away takes considerable skill. Actually it is probably merely a matter of luck, but it looks as if it takes considerable skill.