If I am fool it is at least a doubting one and I envy no one the certainty of his self-approved wisdom.

From principles is derived probability but truth or certainty is obtained only from facts.

Truth is confirmed by inspection and delay falsehood by haste and uncertainty.

I trust every single person around me and if I feel even a whiff of uncertainty I won't have that person around me.

If you just watch a teenager you see a lot of uncertainty.

The novelist must look on humanity without partiality or prejudice. His sympathy like that of the historian must be unbounded and untainted by sect or party.

To many a man and sometimes to a youth there comes the opportunity to choose between honorable competence and tainted wealth. The young man who starts out to be poor and honorable holds in his hand one of the strongest elements of success.

Read the news section of the newspaper and there is confusion and uncertainty a world buffeted by large forces people neither understand nor control. But turn to the sports section and it's all different.

Science has proof without any certainty. Creationists have certainty without any proof.

Adventure upon all the tickets in the lottery and you lose for certain and the greater the number of your tickets the nearer your approach to this certainty.

I'm a scientist not a theologian. I don't know if there is a God or not. Religion requires certainty.

If we must not act save on a certainty we ought not to act on religion for it is not certain. But how many things we do on an uncertainty sea voyages battles!

The power of the lawyer is in the uncertainty of the law.

Sometimes negative news does come out but it is often exaggerated and manipulated to spread scandal. Journalists sometimes risk becoming ill from coprophilia and thus fomenting coprophagia: which is a sin that taints all men and women that is the tendency to focus on the negative rather than the positive aspects.

I never appreciated 'positive heroes' in literature. They are almost always cliches copies of copies until the model is exhausted. I prefer perplexity doubt uncertainty not just because it provides a more 'productive' literary raw material but because that is the way we humans really are.

Unfortunately poetry is not born in noise in crowds or on a bus. There have to be four walls and the certainty that the telephone will not ring. That's what writing is all about.

Are ideals confined to this deformed experiment upon a noble purpose tainted as it is with bargains and tied to a peace treaty which might have been disposed of long ago to the great benefit of the world if it had not been compelled to carry this rider on its back?

Although our intellect always longs for clarity and certainty our nature often finds uncertainty fascinating.

The idea that a congressman would be tainted by accepting money from private industry or private sources is essentially a socialist argument.

The fastest way to break the cycle of perfectionism and become a fearless mother is to give up the idea of doing it perfectly - indeed to embrace uncertainty and imperfection.

The unique and supreme voluptuousness of love lies in the certainty of committing evil. And men and women know from birth that in evil is found all sensual delight.

When I talked to my medical friends about the strange silence on this subject in American medical magazines and textbooks I gained the impression that here was a subject tainted with Socialism or with feminine sentimentality for the poor.

I haven't been faithful to my wife. Our marriage has been tainted with my infidelities. I was irresponsible.

I tore myself away from the safe comfort of certainties through my love for truth - and truth rewarded me.