Quotes About Certainty

No human investigation can be called real knowledge if it does not pass through mathematical demonstrations; and if you say that the kinds of knowledge that begin and end in the mind have any value as truth, this cannot be conceded, but rather must be denied for many reasons, and first of all because in such mental discussions there is no experimentation, without which nothing provides certainty of itself.

To me it seems that those sciences are vain and full of error which are not born of experience, mother of all certainty, firsthand experience which in its origins, or means, or end has passed through one of the five senses. And if we doubt the certainty of everything which passes through the senses, how much more ought we to doubt things contrary to these senses such as the existence of god or of the soul or similar things over which there is always dispute and contention

Quelli che s'innamorano della pratica senza la scienza, sono come i nocchieri che entrano in naviglio senza timone o bussola, che mai hanno certezza dove si vadano. Sempre la pratica dev'essere edificata sopra la buona teorica, della quale la prospettiva è guida e porta, e senza questa nulla si fa bene.

In Christ there is confidence. We relax in Him. We're not nervous. We're not saying, "Oh, is it going to happen?" That's not in the language. It's going to happen because it has always happened. In faith there is the element of confidence which brings relaxation in God. It's a matter of just leaning on Him.

There are some things about God that, were I to stop believing them, my world would change color, my hope would turn sour, and the meaning of my life would be yanked inside out.

What I tell you three times is true.

It is wrong from beginning to end,' said the Caterpillar decidedly, and there was silence for some minutes.

Just the place for a Snark! I have said it twice: That alone should encourage the crew. Just the place for a Snark! I have said it thrice: What I tell you three times is true.

There is nothing more terrifying than the absoluteness of one who believes he's right.

Even Evie believed in something, that something being Evie a lot of the time.

There's nothing more terrifying than the absoluteness of one who believes he's right.

Whatever is without question is most vulnerable.

Trust me: If God exists, he'll know I'm faking it.

There's nothing more terrifying than the absoluteness of one who believes he's right

Just as I'm certain Sam is still short. That part didn't require code. Take that, Sam.

There's nothing more terrifying than the absoluteness of one who believes he's right.

It is best to act with confidence, no matter how little right you have to it.

To believe in something not yet proved and to underwrite it with our lives...

know so much more. Mark was certain that learning everything about her would only reinforce what he was already sure of, that she was the most amazing woman he'd ever

I was so sure Livia was the missing link. Knowing about her involvement now, you'd load up these videos, we'd spy her hat, her face, something and kapow! All the pieces of the puzzle would fall into place.

Truth is the hardest substance in the world to pin down. But the one certainty is the awesome penalty exacted sooner or later from a society whose reporters stop trying.

Faith is to believe what you do not see; the reward of this faith is to see what you believe.

Obedience to God's will is the secret of spiritual knowledge and insight. It is not willingness to know, but willingness to DO (obey) God's will that brings certainty.

Confidence without clarity is always a disaster.