I am quite pessimistic about ever achieving interstellar travel.

Some fear flutter because they do not understand it. And some fear it because they do.

Everyone knows it takes a woman nine months to have a baby. But you Americans think if you get nine women pregnant, you can have a baby in a month.

A scientist describes what is. An engineer creates what never was.

Science is the study of what Is, Engineering builds what Will Be. The scientist merely explores that which exists, while the engineer creates what has never existed before.

This speaker reminds me of my childhood in Budapest. There were gypsy magicians who came to town to entertain us children. But as I recollect, there was one important difference: the gypsy only seemed to violate the laws of nature, he never really violated them!

Scientists study the world as it is, engineers create the world that never has been.