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

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...

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...

I don't see how an article of clothing can be indecent. A person, yes.

I don't see how an article of clothing can be indecent. A person, yes.

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

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

Anyone who clings to the historically untrue -- and -- thoroughly immoral doctrine that violence...

Anyone who clings to the historically untrue -- and -- thoroughly immoral doctrine that violence...

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

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

When any government, or any church for that matter, undertakes to say to its subjects,...

When any government, or any church for that matter, undertakes to say to its subjects,...

Theology is never any help; it is searching in a dark cellar at midnight for...

Theology is never any help; it is searching in a dark cellar at midnight for...

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...

Yield to temptation. It may not pass your way again.

Yield to temptation. It may not pass your way again.

Never insult anyone by accident.

Never insult anyone by accident.

An armed society is a polite society. Manners are good when one may have to...

An armed society is a polite society. Manners are good when one may have to...

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...

Since when was an emotional argument won by logic?

Since when was an emotional argument won by logic?

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...

The supreme irony of life is that hardly anyone gets out of it alive.

The supreme irony of life is that hardly anyone gets out of it alive.

Women and cats will do as they please, and men and dogs should relax and...

Women and cats will do as they please, and men and dogs should relax and...

Way down deep, we're all motivated by the same urges. Cats have the courage to...

Way down deep, we're all motivated by the same urges. Cats have the courage to...

Beware of people who dislike cats.

Beware of people who dislike cats.

The cat looks back at me the way dogs and some cars look when people...

The cat looks back at me the way dogs and some cars look when people...

If we study the lives of great men and women carefully and unemotionally we find...

If we study the lives of great men and women carefully and unemotionally we find...