We do know of certain knowledge that he [Osama Bin Laden] is either in Afghanistan, or in some other country, or dead.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
Ignorance more frequently begets confidence than does knowledge.
I believe in intuitions and inspirations...I sometimes FEEL that I am right. I do not KNOW that I am.
If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.
Knowledge is recognizing what you know and what you don't.
The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine religiosity does not lie through the fear of life, and the fear of death, and blind faith, but through striving after rational knowledge.
The beginning of knowledge is the discovery of something we do not understand.
I was born not knowing and have had only a little time to change that here and there.
One of the things that makes our military the best in the world is the certain knowledge of each soldier, sailor, airman, and Marine that they can always count on their comrades should they need help - that they will never be abandoned.
To minds tormented by the divine thirst, it is useless to offer the most certain knowledge of the laws of numbers and the arrangement of the universe
Not to understand the doer is to have no certain knowledge of what has been done, or why it was undertaken
Every cell has certain knowledge. I think knowledge is contained within the genetics, even. I think scientists will find that. I don't think there's a gay gene, though. They may argue that down, but I don't think that, because that's a preference.
It is therefore worthwhile, to search out the bounds between opinion and knowledge; and examine by what measures, in things, whereof we have no certain knowledge, we ought to regulate our assent, and moderate our persuasions.
Now we shall possess a right definition of faith if we call it a firm and certain knowledge of God's benevolence toward us, founded upon the truth of the freely given promise in Christ, both revealed to our minds and sealed upon our hearts through the Holy Spirit.
Success is not something that can be measured or worn on a watch or hung on a wall. It is not the esteem of colleagues, or the admiration of the community, or the appreciation of patients. Success is the certain knowledge that you have become yourself, the person you will meant to be from all time. That should be reward enough.
What each man does is based not on direct and certain knowledge, but on pictures made by himself or given to him...
Extremes are for us as though they were not, and we are not within their notice. They escape us, or we them. This is our true state; this is what makes us incapable of certain knowledge and of absolute ignorance... This is our natural condition, and yet most contrary to our inclination; we burn with desire to find solid ground and an ultimate sure foundation whereon to build a tower reaching to the Infinite. But our whole groundwork cracks, and the earth opens to abysses.
In some subsequent episodes, certain individuals have certain knowledge of certain events that they wouldn't have, if they didn't have access to the future.
In real science a hypothesis can never be proved true...A science which confines itself to correlating phenomena can never learn anything about the reality underlying the phenomena, while a science which goes further than this and introduces hypotheses about reality, can never acquire certain knowledge of a positive kind about reality; in whatever way we proceed, this is forever denied us.
Computerization brings about an essential change in the way the worker can know the world and, with it, a crisis of confidence inthe possibility of certain knowledge.
I was convinced that our beliefs are based much more on custom and example than on any certain knowledge.
Americans live with the certain knowledge that the source of their greatness has not yet been released.
Certain knowledge of what to fight for, and what to fight against, gives meaning to life and provides its own version of discipline: never give up. That kind of meaning is illusory, I now believe, and blinkered. Fealty to a mystical absolute is a formula for disaster, especially in transformative times.
You would be miserable if you had to go through life with a human doormat with 'Welcome' written on him. You want some one made of sterner stuff. You want, as it were, a sparring-partner, some one with whom you can quarrel happily with the certain knowledge that he will not curl up in a ball for you to kick, but will be there with the return wallop.
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