What goes on inside a star is better understood than one might guess from the difficulty of having to look at a little dot of light through a telescope, because we can calculate what the atoms in the stars should do in most circumstances.

There is no such thing as a great talent without great will power.

I always thought I'd write when I retired - when I turned 65.

I'm a believer in the polls, by the way. Rarely do you see a poll that's very far off.

We have almost succeeded in leveling all human activities to the common denominator of securing the necessities of life and providing for their abundance.