The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.

The most important benefit of population size and growth is the increase it brings to the stock of useful knowledge. Minds matter economically as much as, or more than, hands or mouths.

We now have in our hands—really, in our libraries—the technology to feed, clothe, and supply energy to an ever-growing population for the next seven billion years.

The essence of wealth is the capacity to control the forces of nature, and the extent of wealth depends upon the level of technology and the ability to create new knowledge.

Human beings create more than they destroy.

The increase in the world's population represents our victory over death.

All of us necessarily hold many casual opinions that are ludicrously wrong simply because life is far too short for us to think through even a small fraction of the topics that we come across.

Not understanding the process of a spontaneously-ordered economy goes hand-in-hand with not understanding the creation of resources and wealth.

If you tell a person about paradise, It becomes a dream.If you show a person paradise, It becomes a goal!

O youcan’t tell someone just how lonely he is

Only those with a conscience can find an action unconscionable.

A loving heart is the truest wisdom.

Litigants obey the verdict of a tribunal solely on the premise that there is an objective rule of conduct, which they both accept.

I used to limp around my neighborhood imitating him. I did my Bar Mitzvah with an Oklahoma drawl.

We must eliminate the gulf of mistrust and ignorance that keeps us from learning from each other.

When the dream is right for the person and the person is right for the dream, the two cannot be separated from each other.

I don't think readers of Mann have overlooked the fact that he was a great ironist, but they have tended to see the irony in particular parts of the novella, and to miss it in others.

I think people involved with institutions find it harder to know the time to go than the time to come.