I have yet to see any problem, however complicated, which, when you looked at it in the right way, did not become still more complicated.
     — Poul Anderson

Well, back to the old drawing board.
     — Peter Arno

If you don't know where you're going, you'll surely end up somewhere else.
     — Yogi Berra

To be sure of hitting the target, shoot first, and call whatever you hit the target.
     — Ashleigh Brilliant

If we knew what it was we were doing, it would not be called research, would it?
     — Albert Einstein

The first rule of intelligent tinkering is to save all the parts.
     — Paul Erlich (also Aldo Leopold)

When you lose, don't lose the lesson.
     — Dalai Lama

Basic research is what I am doing when I don't know what I am doing.
     — Werner von Braun