Bottomless wonders spring from simple rules, which are repeated without end.

My life has been extremely complicated. Not by choice at the beginning at all, but later on, I had become used to complication and went on accepting things that other people would have found too difficult to accept.

An extraordinary amount of arrogance is present in any claim of having been the first in inventing something.

Now that I near 80, I realize with wistful pleasure that on many occasions I was 10, 20, 40, even 50 years ahead of my time.

If one takes the kinds of risks which I took, which are colossal, but taking risks, I was rewarded by being able to contribute in a very substantial fashion to a variety of fields. I was able to reawaken and solve some very old problems.

Engineering is too important to wait for science.

Beautiful, damn hard, increasingly useful. That's fractals.