I learned that economics was not an exact science and that the most erudite men would analyze the economic ills of the world and derive a totally different conclusion.

The combination of hatred and technology is the greatest danger threatening mankind.

I got my degree in rhetoric.

In human beings, love is a quality, a high-prized virtue; in God, love is His identity.

I have to prove myself five times over.

What everyone in the astronaut corps shares in common is not gender or ethnic background, but motivation, perseverance, and desire - the desire to participate in a voyage of discovery.

I am happy even before I have a reason.

A dutiful mother is someone who follows every step her child makes...And a good mother is someone whose child wants to follow her.

It is possible to eat English piecrust, whatever you may think at first. The English eat it, and when they stand up and walk away, they are hardly bent over at all.

You knock at the door of Reality. You shake your thought wings, loosen your shoulders, and open.

if Saint Bruce doesn't like your poem, he chops your head off.