One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.

Quote by Robert A Heinlein

Topics: Robert A Heinlein Quotes

The universe never did make sense; I suspect it was built on government contract.

The universe never did make sense; I suspect it was built on government contract.

Political tags - such as royalist, communist, democrat, populist, fascist, liberal, conservative, and so forth...

Political tags - such as royalist, communist, democrat, populist, fascist, liberal, conservative, and so forth...

One man's magic is another man's engineering. Supernatural is a null word.

One man's magic is another man's engineering. Supernatural is a null word.

A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a...

A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a...

One man's religion is another man's belly laugh.

One man's religion is another man's belly laugh.

Don't ever become a pessimist, Ira; a pessimist is correct oftener than an optimist, but...

Don't ever become a pessimist, Ira; a pessimist is correct oftener than an optimist, but...

To be matter of fact about the world is to blunder into fantasy -- and...

To be matter of fact about the world is to blunder into fantasy -- and...

For me, politeness is a sine qua non of civilization.

For me, politeness is a sine qua non of civilization.

Never insult anyone by accident.

Never insult anyone by accident.

Everything is theoretically impossible, until it is done.

Everything is theoretically impossible, until it is done.

Don't ever become a pessimist... a pessimist is correct oftener than an optimist, but an...

Don't ever become a pessimist... a pessimist is correct oftener than an optimist, but an...

I am free, no matter what rules surround me. If I find them tolerable, I...

I am free, no matter what rules surround me. If I find them tolerable, I...

It is a truism that almost any sect, cult, or religion will legislate its creeds...

It is a truism that almost any sect, cult, or religion will legislate its creeds...

To be matter-of-fact about the world is to blunder into fantasy - and dull fantasy...

To be matter-of-fact about the world is to blunder into fantasy - and dull fantasy...

I am free because I know that I alone am morally responsible for everything I...

I am free because I know that I alone am morally responsible for everything I...

Never worry about theory as long as the machinery does what it's supposed to do.

Never worry about theory as long as the machinery does what it's supposed to do.

It's an indulgence to sit in a room and discuss your beliefs as if they...

It's an indulgence to sit in a room and discuss your beliefs as if they...

By cultivating the beautiful we scatter the seeds of heavenly flowers, as by doing good...

By cultivating the beautiful we scatter the seeds of heavenly flowers, as by doing good...

The most sweet hearted people are the most mistreated people...

The most sweet hearted people are the most mistreated people...

That's the difference between irony and sarcasm. Irony can be spontaneous, while sarcasm requires volition....

That's the difference between irony and sarcasm. Irony can be spontaneous, while sarcasm requires volition....