It appears that there are enormous differences of opinion as to the probability of a failure with loss of vehicle and of human life. The estimates range from roughly 1 in 100 to 1 in 100,000. The higher figures come from the working engineers, and the very low figures from management.

Science is the organized skepticism in the reliability of expert opinion

If an apple was magnified to the size of the Earth, then the atoms in the apple would be approximately the size of the original apple.

I learned very early the difference between knowing the name of something and knowing something.

You can always recognize truth by its beauty and simplicity.

Don't pay attention to "authorities," think for yourself.

What I am going to tell you about is what we teach our physics students in the third or fourth year of graduate school... It is my task to convince you not to turn away because you don't understand it. You see my physics students don't understand it... That is because I don't understand it. Nobody does.