Most North Americans know that human-caused global warming is real, even if political leaders don't always reflect or act on that knowledge.

Knowledge is what we get when an observer, preferably a scientifically trained observer, provides us with a copy of reality that we can all recognize.

This means that no single logic is strong enough to support the total construction of human knowledge.

The greatest sin is judgment without knowledge.

Knowledge of human nature is the beginning and end of political education.

Wild Bill was anything but a quarrelsome man yet I have personal knowledge of at least half a dozen men whom he had at various times killed.

Fullness of knowledge always means some understanding of the depths of our ignorance and that is always conducive to humility and reverence.

It would be great to be able to pass on to someone all of the successes, the failures, and the knowledge that one has had. To help someone, avoid all the fire, pain and anxiety would be wonderful.

If they exert it not for good, they will for evil if they advance not knowledge, they will perpetuate ignorance.

It takes a couple of years just to get the background and knowledge that you need before you can go into detailed training for your mission.