Never attribute to malevolence what is merely due to incompetence

Now, before you make a movie, you have to have a script, and before you have a script, you have to have a story; though some avant-garde directors have tried to dispense with the latter item, you'll find their work only at art theaters.

Anything that is theoretically possible will be achieved in practice, no matter what the technical difficulties are, if it is desired greatly enough.

After their encounter on the approach to Jupiter, there would aways be a secret bond between them---not of love, but of tenderness, which is often more enduring.

It has yet to be proven that intelligence has any survival value.

I have never grown up, but I will never stop growing.

There were some things that only time could cure. Evil men could be destroyed, but nothing could be done with good men who were deluded.