To quote Robert A. Heinlein over and over and over and .....
A society that gets rid of all its troublemakers goes downhill.
An armed society is a polite society. Manners are good when one may have to back up his acts with his life.
Being right too soon is socially unacceptable.
Don't ever become a pessimist... a pessimist is correct oftener than an optimist, but an optimist has more fun, and neither can stop the march of events.
Don't handicap your children by making their lives easy.
I am free because I know that I alone am morally responsible for everything I do. I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do.
I don't see how an article of clothing can be indecent. A person, yes.
I never learned from a man who agreed with me.
It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so.
Love is that condition in which the happiness of another person is essential to your own.
Never insult anyone by accident.
Never underestimate the power of human stupidity.
Never worry about theory as long as the machinery does what it's supposed to do.
No statement should be believed because it is made by an authority.
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.
One man's "magic" is another man's engineering.
One man's theology is another man's belly laugh.
One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.
Political tags - such as royalist, communist, democrat, populist, fascist, liberal, conservative, and so forth - are never basic criteria. The human race divides politically into those who want people to be controlled and those who have no such desire.
Sex without love is merely healthy exercise.
The difference between science and the fuzzy subjects is that science requires reasoning while those other subjects merely require scholarship.
Theology is never any help; it is searching in a dark cellar at midnight for a black cat that isn't there. Theologians can persuade themselves of anything.
They didn't want it good, they wanted it Wednesday.
To be matter-of-fact about the world is to blunder into fantasy - and dull fantasy at that, as the real world is strange and wonderful.
When a place gets crowded enough to require ID's, social collapse is not far away. It is time to go elsewhere.
When any government, or any church for that matter, undertakes to say to its subjects, This you may not read, this you must not see, this you are forbidden to know, the end result is tyranny and oppression no matter how holy the motives.
Women and cats will do as they please, and men and dogs should relax and get used to this idea.
You can have peace. Or you can have freedom. Don't ever count on having both at once.
Yield to temptation. It may not pass your way again.