If we insist on being as sure as is conceivable... we must be content to creep along the ground, and read more

If we insist on being as sure as is conceivable... we must be content to creep along the ground, and can never soar.

In these matters the only certainty is that there is nothing certain.

In these matters the only certainty is that there is nothing certain.

To be absolutely certain about something, one must know everything or nothing about it.

To be absolutely certain about something, one must know everything or nothing about it.

In a universe of ambiguity, this kind of certainty comes only once, no matter how many lifetimes you live.

In a universe of ambiguity, this kind of certainty comes only once, no matter how many lifetimes you live.

When one admits that nothing is certain one must, I think, also add that some things are more nearly certain read more

When one admits that nothing is certain one must, I think, also add that some things are more nearly certain than others

To be positive: to be mistaken at the top of one's voice.

To be positive: to be mistaken at the top of one's voice.

There is no such uncertainty as a sure thing.

There is no such uncertainty as a sure thing.

If a man will begin with certainties, he shall end in doubts: but if he will be content to begin read more

If a man will begin with certainties, he shall end in doubts: but if he will be content to begin with doubts, he shall end in certainties.

In essence we have become addicted to the certainty, sureness or sense of security that our faith provides

In essence we have become addicted to the certainty, sureness or sense of security that our faith provides