If children have interests, then education happens.

The best proof of intelligent life in space is that it hasn't come here.

The space elevator will be built about 50 years after everyone stops laughing.

It is a good principle in science not to believe any 'fact'---however well attested---until it fits into some accepted frame of reference. Occasionally, of course, an observation can shatter the frame and force the construction of a new one, but that is extremely rare. Galileos and Einsteins seldom appear more than once per century, which is just as well for the equanimity of mankind.

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.

Once you can reproduce a phenomenon, you are well on the way to understanding it.

Now I understand,” said the last man.