The world is not threatened by evil people, but by those who allow evil to take place.

Engineering is not only study of 45 subjects but it is moral studies of intellectual life. Make things as simple as possible..but not simpler.

We must recognize what in our accepted tradition is damaging to our fate and dignity-and shape our lives accordingly.

The most practical solution is a good theory.

It is a very high goal which, with our weak powers, we can reach only very inadequately, but which gives a sure foundation to our aspirations and valuations.

If you have never failed, you have never tried anything new.

The more cruel the wrong that men commit against an individual or a people, the deeper their hatred and contempt for their victim.