"... I had no idea
astronomy was getting to be such an expensive field".
"There are more costly ones. You know what they say. Exper-
imental physicists are the most expensive scientists to support.
They need the largest equipment. Bevatrons and all those com-
plicated things. Next down the scale are theoretical physicists.
They need computer time, paper, pencils, and wastebaskets.
Then come the pure mathematicians. Unlike Sam here, they
usually don't need computer, just pencils, paper, and waste-
baskets. And most economical of all are the philosophers. They
don't need wastebaskets," ...