Isaac Asimov Sayings and Quotes

Below you will find our collection of inspirational, wise, and humorous old Isaac Asimov quotes, Isaac Asimov sayings, and Isaac Asimov proverbs, collected over the years from a variety of sources.

The law of conservation of energy tells us we can't get something for nothing, but we refuse to believe it. Isaac Asimov
Scientific truth is beyond loyalty and disloyalty. Isaac Asimov
People who think they know everything are a great annoyance to those of us who do. Isaac Asimov
The cure for advanced gullibility is to go to sleep and consider matters again the next day. Isaac Asimov
It pays to be obvious, especially if you have a reputation for subtlety. Isaac Asimov
It was obvious that bigotry was never a one-way operation, that hatred bred hatred! Isaac Asimov
To succeed, planning alone is insufficient. One must improvise as well. Isaac Asimov
Humanists recognize that it is only when people feel free to think for themselves, using reason as their guide, that they are best capable of developing values that succeed in satisfying human needs and serving human interests. Isaac Asimov
Human beings sometimes find a kind of pleasure in nursing painful emotions, in blaming themselves without reason or even against reason. Isaac Asimov
Mathematicians deal with large numbers sometimes, but never in their income. Isaac Asimov
At odd and unpredictable times, we cling in fright to the past. Isaac Asimov
It's one thing to have guts; it's another to be crazy. Isaac Asimov
Those people who think they know everything are a great annoyance to those of us who do. Isaac Asimov
Many a prophecy, by the mere force of its being believed, is transmuted to fact. Isaac Asimov
Life is pleasant. Death is peaceful. It's the transition that's troublesome. Isaac Asimov
Democracy cannot survive overpopulation. Human dignity cannot survive it. Convenience and decency cannot survive it. As you put more and more people into the world, the value of life not only declines, but it disappears. It doesn't matter if someone dies. Isaac Asimov
Properly read, the Bible is the most potent force for atheism ever conceived. Isaac Asimov
The energy requirements for interstellar travel are so great that it is inconceivable to me that any creatures piloting their ships across the vast depths of space would do so only in order to play games with us over a period of decades. If they want to make contact, they would make contact; if not, they would save their energy and go elsewhere. Isaac Asimov
Any planet is 'Earth' to those that live on it. Isaac Asimov
If a conclusion is not poetically balanced, it cannot be scientifically true. Isaac Asimov
And above all things, never think that you're not good enough yourself. A man should never think that. Isaac Asimov
No one can possibly have lived through the Great Depression without being scarred by it. No amount of experience since the depression can convince someone who has lived through it that the world is safe economically. Isaac Asimov
... you just can't differentiate between a robot and the very best of humans. Isaac Asimov
There is nothing frightening about an eternal dreamless sleep. Surely it is better than eternal torment in Hell and eternal boredom in Heaven. Isaac Asimov
The final end of Eternity, and the beginning of Infinity Isaac Asimov
No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be. Isaac Asimov
Jokes of the proper kind, properly told, can do more to enlighten questions of politics, philosophy, and literature than any number of dull arguments. Isaac Asimov
The cure for advanced gullibility is to go to sleep and consider matters again the next day. Isaac Asimov
Now any dogma, based primarily on faith and emotionalism, is a dangerous weapon to use on others, since it is almost impossible to guarantee that the weapon will never be turned on the user. Isaac Asimov
How bright and beautiful a comet is as it flies past our planet—provided it does fly past it. Isaac Asimov